├── .gitignore
├── App.config
├── BorderlessForm.csproj
├── BorderlessForm.sln
├── FormBase.cs
├── LICENSE.md
├── MainForm.Designer.cs
├── MainForm.cs
├── MainForm.resx
├── Native.cs
├── Program.cs
├── Properties
    ├── AssemblyInfo.cs
    ├── Resources.Designer.cs
    ├── Resources.resx
    ├── Settings.Designer.cs
    └── Settings.settings
├── README.md
└── screenshot.png


/.gitignore:
--------------------------------------------------------------------------------
  1 | ## Ignore Visual Studio temporary files, build results, and
  2 | ## files generated by popular Visual Studio add-ons.
  3 | 
  4 | # User-specific files
  5 | *.suo
  6 | *.user
  7 | *.sln.docstates
  8 | 
  9 | # Build results
 10 | 
 11 | [Dd]ebug/
 12 | [Rr]elease/
 13 | x64/
 14 | build/
 15 | [Bb]in/
 16 | [Oo]bj/
 17 | 
 18 | # MSTest test Results
 19 | [Tt]est[Rr]esult*/
 20 | [Bb]uild[Ll]og.*
 21 | 
 22 | *_i.c
 23 | *_p.c
 24 | *.ilk
 25 | *.meta
 26 | *.obj
 27 | *.pch
 28 | *.pdb
 29 | *.pgc
 30 | *.pgd
 31 | *.rsp
 32 | *.sbr
 33 | *.tlb
 34 | *.tli
 35 | *.tlh
 36 | *.tmp
 37 | *.tmp_proj
 38 | *.log
 39 | *.vspscc
 40 | *.vssscc
 41 | .builds
 42 | *.pidb
 43 | *.log
 44 | *.scc
 45 | 
 46 | # Visual C++ cache files
 47 | ipch/
 48 | *.aps
 49 | *.ncb
 50 | *.opensdf
 51 | *.sdf
 52 | *.cachefile
 53 | 
 54 | # Visual Studio profiler
 55 | *.psess
 56 | *.vsp
 57 | *.vspx
 58 | 
 59 | # Guidance Automation Toolkit
 60 | *.gpState
 61 | 
 62 | # ReSharper is a .NET coding add-in
 63 | _ReSharper*/
 64 | *.[Rr]e[Ss]harper
 65 | 
 66 | # TeamCity is a build add-in
 67 | _TeamCity*
 68 | 
 69 | # DotCover is a Code Coverage Tool
 70 | *.dotCover
 71 | 
 72 | # NCrunch
 73 | *.ncrunch*
 74 | .*crunch*.local.xml
 75 | 
 76 | # Installshield output folder
 77 | [Ee]xpress/
 78 | 
 79 | # DocProject is a documentation generator add-in
 80 | DocProject/buildhelp/
 81 | DocProject/Help/*.HxT
 82 | DocProject/Help/*.HxC
 83 | DocProject/Help/*.hhc
 84 | DocProject/Help/*.hhk
 85 | DocProject/Help/*.hhp
 86 | DocProject/Help/Html2
 87 | DocProject/Help/html
 88 | 
 89 | # Click-Once directory
 90 | publish/
 91 | 
 92 | # Publish Web Output
 93 | *.Publish.xml
 94 | *.pubxml
 95 | 
 96 | # NuGet Packages Directory
 97 | ## TODO: If you have NuGet Package Restore enabled, uncomment the next line
 98 | #packages/
 99 | 
100 | # Windows Azure Build Output
101 | csx
102 | *.build.csdef
103 | 
104 | # Windows Store app package directory
105 | AppPackages/
106 | 
107 | # Others
108 | sql/
109 | *.Cache
110 | ClientBin/
111 | [Ss]tyle[Cc]op.*
112 | ~$*
113 | *~
114 | *.dbmdl
115 | *.[Pp]ublish.xml
116 | *.pfx
117 | *.publishsettings
118 | 
119 | # RIA/Silverlight projects
120 | Generated_Code/
121 | 
122 | # Backup & report files from converting an old project file to a newer
123 | # Visual Studio version. Backup files are not needed, because we have git ;-)
124 | _UpgradeReport_Files/
125 | Backup*/
126 | UpgradeLog*.XML
127 | UpgradeLog*.htm
128 | 
129 | # SQL Server files
130 | App_Data/*.mdf
131 | App_Data/*.ldf
132 | 
133 | # =========================
134 | # Windows detritus
135 | # =========================
136 | 
137 | # Windows image file caches
138 | Thumbs.db
139 | ehthumbs.db
140 | 
141 | # Folder config file
142 | Desktop.ini
143 | 
144 | # Recycle Bin used on file shares
145 | $RECYCLE.BIN/
146 | 
147 | # Mac crap
148 | .DS_Store
149 | 


--------------------------------------------------------------------------------
/App.config:
--------------------------------------------------------------------------------
1 | <?xml version="1.0"?>
2 | <configuration>
3 |     <startup> 
4 |         
5 |     <supportedRuntime version="v2.0.50727" sku="Client"/></startup>
6 | </configuration>
7 | 


--------------------------------------------------------------------------------
/BorderlessForm.csproj:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
 3 |   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
 4 |   <PropertyGroup>
 5 |     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
 6 |     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
 7 |     <ProjectGuid>{1DBA6E10-6A05-48F0-BED9-6F33E0D3E986}</ProjectGuid>
 8 |     <OutputType>WinExe</OutputType>
 9 |     <AppDesignerFolder>Properties</AppDesignerFolder>
10 |     <RootNamespace>BorderlessForm</RootNamespace>
11 |     <AssemblyName>BorderlessForm</AssemblyName>
12 |     <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
13 |     <FileAlignment>512</FileAlignment>
14 |     <TargetFrameworkProfile>Client</TargetFrameworkProfile>
15 |   </PropertyGroup>
16 |   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
17 |     <PlatformTarget>AnyCPU</PlatformTarget>
18 |     <DebugSymbols>true</DebugSymbols>
19 |     <DebugType>full</DebugType>
20 |     <Optimize>false</Optimize>
21 |     <OutputPath>bin\Debug\</OutputPath>
22 |     <DefineConstants>DEBUG;TRACE</DefineConstants>
23 |     <ErrorReport>prompt</ErrorReport>
24 |     <WarningLevel>4</WarningLevel>
25 |   </PropertyGroup>
26 |   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
27 |     <PlatformTarget>AnyCPU</PlatformTarget>
28 |     <DebugType>pdbonly</DebugType>
29 |     <Optimize>true</Optimize>
30 |     <OutputPath>bin\Release\</OutputPath>
31 |     <DefineConstants>TRACE</DefineConstants>
32 |     <ErrorReport>prompt</ErrorReport>
33 |     <WarningLevel>4</WarningLevel>
34 |   </PropertyGroup>
35 |   <ItemGroup>
36 |     <Reference Include="System" />
37 |     <Reference Include="System.Core" />
38 |     <Reference Include="System.Xml.Linq" />
39 |     <Reference Include="System.Data.DataSetExtensions" />
40 |     <Reference Include="System.Data" />
41 |     <Reference Include="System.Deployment" />
42 |     <Reference Include="System.Drawing" />
43 |     <Reference Include="System.Windows.Forms" />
44 |     <Reference Include="System.Xml" />
45 |   </ItemGroup>
46 |   <ItemGroup>
47 |     <Compile Include="MainForm.cs">
48 |       <SubType>Form</SubType>
49 |     </Compile>
50 |     <Compile Include="MainForm.Designer.cs">
51 |       <DependentUpon>MainForm.cs</DependentUpon>
52 |     </Compile>
53 |     <Compile Include="FormBase.cs">
54 |       <SubType>Form</SubType>
55 |     </Compile>
56 |     <Compile Include="Native.cs" />
57 |     <Compile Include="Program.cs" />
58 |     <Compile Include="Properties\AssemblyInfo.cs" />
59 |     <EmbeddedResource Include="MainForm.resx">
60 |       <DependentUpon>MainForm.cs</DependentUpon>
61 |     </EmbeddedResource>
62 |     <EmbeddedResource Include="Properties\Resources.resx">
63 |       <Generator>ResXFileCodeGenerator</Generator>
64 |       <LastGenOutput>Resources.Designer.cs</LastGenOutput>
65 |       <SubType>Designer</SubType>
66 |     </EmbeddedResource>
67 |     <Compile Include="Properties\Resources.Designer.cs">
68 |       <AutoGen>True</AutoGen>
69 |       <DependentUpon>Resources.resx</DependentUpon>
70 |       <DesignTime>True</DesignTime>
71 |     </Compile>
72 |     <None Include="Properties\Settings.settings">
73 |       <Generator>SettingsSingleFileGenerator</Generator>
74 |       <LastGenOutput>Settings.Designer.cs</LastGenOutput>
75 |     </None>
76 |     <Compile Include="Properties\Settings.Designer.cs">
77 |       <AutoGen>True</AutoGen>
78 |       <DependentUpon>Settings.settings</DependentUpon>
79 |       <DesignTimeSharedInput>True</DesignTimeSharedInput>
80 |     </Compile>
81 |   </ItemGroup>
82 |   <ItemGroup>
83 |     <None Include="App.config" />
84 |   </ItemGroup>
85 |   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
86 |   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
87 |        Other similar extension points exist, see Microsoft.Common.targets.
88 |   <Target Name="BeforeBuild">
89 |   </Target>
90 |   <Target Name="AfterBuild">
91 |   </Target>
92 |   -->
93 | </Project>


--------------------------------------------------------------------------------
/BorderlessForm.sln:
--------------------------------------------------------------------------------
 1 | 
 2 | Microsoft Visual Studio Solution File, Format Version 12.00
 3 | # Visual Studio 2012
 4 | Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BorderlessForm", "BorderlessForm.csproj", "{1DBA6E10-6A05-48F0-BED9-6F33E0D3E986}"
 5 | EndProject
 6 | Global
 7 | 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 8 | 		Debug|Any CPU = Debug|Any CPU
 9 | 		Release|Any CPU = Release|Any CPU
10 | 	EndGlobalSection
11 | 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
12 | 		{1DBA6E10-6A05-48F0-BED9-6F33E0D3E986}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
13 | 		{1DBA6E10-6A05-48F0-BED9-6F33E0D3E986}.Debug|Any CPU.Build.0 = Debug|Any CPU
14 | 		{1DBA6E10-6A05-48F0-BED9-6F33E0D3E986}.Release|Any CPU.ActiveCfg = Release|Any CPU
15 | 		{1DBA6E10-6A05-48F0-BED9-6F33E0D3E986}.Release|Any CPU.Build.0 = Release|Any CPU
16 | 	EndGlobalSection
17 | 	GlobalSection(SolutionProperties) = preSolution
18 | 		HideSolutionNode = FALSE
19 | 	EndGlobalSection
20 | EndGlobal
21 | 


--------------------------------------------------------------------------------
/FormBase.cs:
--------------------------------------------------------------------------------
  1 | using System;
  2 | using System.Collections.Generic;
  3 | using System.Diagnostics;
  4 | using System.Drawing;
  5 | using System.Linq;
  6 | using System.Runtime.InteropServices;
  7 | using System.Text;
  8 | using System.Windows.Forms;
  9 | 
 10 | namespace BorderlessForm
 11 | {
 12 |     /// <summary>
 13 |     /// Based on http://customerborderform.codeplex.com/
 14 |     /// </summary>
 15 |     public class FormBase : Form
 16 |     {
 17 |         public void DecorationMouseDown(HitTestValues hit, Point p)
 18 |         {
 19 |             NativeMethods.ReleaseCapture();
 20 |             var pt = new POINTS { X = (short)p.X, Y = (short)p.Y };
 21 |             NativeMethods.SendMessage(Handle, (int)WindowMessages.WM_NCLBUTTONDOWN, (int)hit, pt);
 22 |         }
 23 | 
 24 |         public void DecorationMouseDown(HitTestValues hit)
 25 |         {
 26 |             DecorationMouseDown(hit, MousePosition);
 27 |         }
 28 | 
 29 |         public void DecorationMouseUp(HitTestValues hit, Point p)
 30 |         {
 31 |             NativeMethods.ReleaseCapture();
 32 |             var pt = new POINTS { X = (short)p.X, Y = (short)p.Y };
 33 |             NativeMethods.SendMessage(Handle, (int)WindowMessages.WM_NCLBUTTONUP, (int)hit, pt);
 34 |         }
 35 | 
 36 |         public void DecorationMouseUp(HitTestValues hit)
 37 |         {
 38 |             DecorationMouseUp(hit, MousePosition);
 39 |         }
 40 |         
 41 |         protected override void OnHandleCreated(EventArgs e)
 42 |         {
 43 |             base.OnHandleCreated(e);
 44 | 
 45 |             if (!DesignMode)
 46 |                 SetWindowRegion(Handle, 0, 0, Width, Height);
 47 |         }
 48 | 
 49 |         protected void ShowSystemMenu(MouseButtons buttons)
 50 |         {
 51 |             ShowSystemMenu(buttons, MousePosition);
 52 |         }
 53 | 
 54 |         protected static int MakeLong(short lowPart, short highPart)
 55 |         {
 56 |             return (int)(((ushort)lowPart) | (uint)(highPart << 16));
 57 |         }
 58 |         
 59 |         protected void ShowSystemMenu(MouseButtons buttons, Point pos)
 60 |         {
 61 |             NativeMethods.SendMessage(Handle, (int)WindowMessages.WM_SYSMENU, 0, MakeLong((short)pos.X, (short)pos.Y));
 62 |         }
 63 | 
 64 |         protected override void WndProc(ref Message m)
 65 |         {
 66 |             if (DesignMode)
 67 |             {
 68 |                 base.WndProc(ref m);
 69 |                 return;
 70 |             }
 71 | 
 72 |             switch (m.Msg)
 73 |             {
 74 |                 case (int)WindowMessages.WM_NCCALCSIZE:
 75 |                     {
 76 |                         // Provides new coordinates for the window client area.
 77 |                         WmNCCalcSize(ref m);
 78 |                         break;
 79 |                     }
 80 |                 case (int)WindowMessages.WM_NCPAINT:
 81 |                     {
 82 |                         // Here should all our painting occur, but...
 83 |                         WmNCPaint(ref m);
 84 |                         break;
 85 |                     }
 86 |                 case (int)WindowMessages.WM_NCACTIVATE:
 87 |                     {
 88 |                         // ... WM_NCACTIVATE does some painting directly 
 89 |                         // without bothering with WM_NCPAINT ...
 90 |                         WmNCActivate(ref m);
 91 |                         break;
 92 |                     }
 93 |                 case (int)WindowMessages.WM_SETTEXT:
 94 |                     {
 95 |                         // ... and some painting is required in here as well
 96 |                         WmSetText(ref m);
 97 |                         break;
 98 |                     }
 99 |                 case (int)WindowMessages.WM_WINDOWPOSCHANGED:
100 |                     {
101 |                         WmWindowPosChanged(ref m);
102 |                         break;
103 |                     }
104 |                 case 174: // ignore magic message number
105 |                     {
106 |                         break;
107 |                     }
108 |                 default:
109 |                     {
110 |                         base.WndProc(ref m);
111 |                         break;
112 |                     }
113 |             }
114 |         }
115 | 
116 |         private void SetWindowRegion(IntPtr hwnd, int left, int top, int right, int bottom)
117 |         {
118 |             var rgn = NativeMethods.CreateRectRgn(0, 0, 0, 0);
119 |             var hrg = new HandleRef((object)this, rgn);
120 |             var r = NativeMethods.GetWindowRgn(hwnd, hrg.Handle);
121 |             RECT box;
122 |             NativeMethods.GetRgnBox(hrg.Handle, out box);
123 |             if (box.left != left || box.top != top || box.right != right || box.bottom != bottom)
124 |             {
125 |                 var hr = new HandleRef((object)this, NativeMethods.CreateRectRgn(left, top, right, bottom));
126 |                 NativeMethods.SetWindowRgn(hwnd, hr.Handle, NativeMethods.IsWindowVisible(hwnd));
127 |             }
128 |             NativeMethods.DeleteObject(rgn);
129 |         }
130 | 
131 |         public FormWindowState MinMaxState
132 |         {
133 |             get
134 |             {
135 |                 var s = NativeMethods.GetWindowLong(Handle, NativeConstants.GWL_STYLE);
136 |                 var max = (s & (int)WindowStyle.WS_MAXIMIZE) > 0;
137 |                 if (max) return FormWindowState.Maximized;
138 |                 var min = (s & (int)WindowStyle.WS_MINIMIZE) > 0;
139 |                 if (min) return FormWindowState.Minimized;
140 |                 return FormWindowState.Normal;
141 |             }
142 |         }
143 | 
144 |         private void WmWindowPosChanged(ref Message m)
145 |         {
146 |             DefWndProc(ref m);
147 |             UpdateBounds();
148 |             var pos = (WINDOWPOS)Marshal.PtrToStructure(m.LParam, typeof(WINDOWPOS));
149 |             SetWindowRegion(m.HWnd, 0, 0, pos.cx, pos.cy);
150 |             m.Result = NativeConstants.TRUE;
151 |         }
152 | 
153 |         private void WmNCCalcSize(ref Message m)
154 |         {
155 |             // http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winui/winui/windowsuserinterface/windowing/windows/windowreference/windowmessages/wm_nccalcsize.asp
156 |             // http://groups.google.pl/groups?selm=OnRNaGfDEHA.1600%40tk2msftngp13.phx.gbl
157 | 
158 |             var r = (RECT)Marshal.PtrToStructure(m.LParam, typeof(RECT));
159 |             var max = MinMaxState == FormWindowState.Maximized;
160 | 
161 |             if (max)
162 |             {
163 |                 var x = NativeMethods.GetSystemMetrics(NativeConstants.SM_CXSIZEFRAME);
164 |                 var y = NativeMethods.GetSystemMetrics(NativeConstants.SM_CYSIZEFRAME);
165 |                 var p = NativeMethods.GetSystemMetrics(NativeConstants.SM_CXPADDEDBORDER);
166 |                 var w = x + p;
167 |                 var h = y + p;
168 | 
169 |                 r.left += w;
170 |                 r.top += h;
171 |                 r.right -= w;
172 |                 r.bottom -= h;
173 | 
174 |                 var appBarData = new APPBARDATA();
175 |                 appBarData.cbSize = Marshal.SizeOf(typeof(APPBARDATA));
176 |                 var autohide = (NativeMethods.SHAppBarMessage(NativeConstants.ABM_GETSTATE, ref appBarData) & NativeConstants.ABS_AUTOHIDE) != 0;
177 |                 if (autohide) r.bottom -= 1;
178 | 
179 |                 Marshal.StructureToPtr(r, m.LParam, true);
180 |             }
181 | 
182 |             m.Result = IntPtr.Zero;
183 |         }
184 | 
185 |         private void WmNCPaint(ref Message msg)
186 |         {
187 |             // http://msdn.microsoft.com/library/default.asp?url=/library/en-us/gdi/pantdraw_8gdw.asp
188 |             // example in q. 2.9 on http://www.syncfusion.com/FAQ/WindowsForms/FAQ_c41c.aspx#q1026q
189 | 
190 |             // The WParam contains handle to clipRegion or 1 if entire window should be repainted
191 |             //PaintNonClientArea(msg.HWnd, (IntPtr)msg.WParam);
192 | 
193 |             // we handled everything
194 |             msg.Result = NativeConstants.TRUE;
195 |         }
196 | 
197 |         private void WmSetText(ref Message msg)
198 |         {
199 |             // allow the system to receive the new window title
200 |             DefWndProc(ref msg);
201 | 
202 |             // repaint title bar
203 |             //PaintNonClientArea(msg.HWnd, (IntPtr)1);
204 |         }
205 | 
206 |         private void WmNCActivate(ref Message msg)
207 |         {
208 |             // http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winui/winui/windowsuserinterface/windowing/windows/windowreference/windowmessages/wm_ncactivate.asp
209 | 
210 |             bool active = (msg.WParam == NativeConstants.TRUE);
211 | 
212 |             if (MinMaxState == FormWindowState.Minimized)
213 |                 DefWndProc(ref msg);
214 |             else
215 |             {
216 |                 // repaint title bar
217 |                 //PaintNonClientArea(msg.HWnd, (IntPtr)1);
218 | 
219 |                 // allow to deactivate window
220 |                 msg.Result = NativeConstants.TRUE;
221 |             }
222 |         }
223 |     }
224 | }
225 | 


--------------------------------------------------------------------------------
/LICENSE.md:
--------------------------------------------------------------------------------
1 | License
2 | =======
3 | 
4 | [MIT X11](http://en.wikipedia.org/wiki/MIT_License)
5 | 


--------------------------------------------------------------------------------
/MainForm.Designer.cs:
--------------------------------------------------------------------------------
  1 | namespace BorderlessForm
  2 | {
  3 |     partial class MainForm
  4 |     {
  5 |         /// <summary>
  6 |         /// Required designer variable.
  7 |         /// </summary>
  8 |         private System.ComponentModel.IContainer components = null;
  9 | 
 10 |         /// <summary>
 11 |         /// Clean up any resources being used.
 12 |         /// </summary>
 13 |         /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
 14 |         protected override void Dispose(bool disposing)
 15 |         {
 16 |             if (disposing && (components != null))
 17 |             {
 18 |                 components.Dispose();
 19 |             }
 20 |             base.Dispose(disposing);
 21 |         }
 22 | 
 23 |         #region Windows Form Designer generated code
 24 | 
 25 |         /// <summary>
 26 |         /// Required method for Designer support - do not modify
 27 |         /// the contents of this method with the code editor.
 28 |         /// </summary>
 29 |         private void InitializeComponent()
 30 |         {
 31 |             this.components = new System.ComponentModel.Container();
 32 |             this.TopLeftCornerPanel = new System.Windows.Forms.Panel();
 33 |             this.TopRightCornerPanel = new System.Windows.Forms.Panel();
 34 |             this.BottomLeftCornerPanel = new System.Windows.Forms.Panel();
 35 |             this.BottomRightCornerPanel = new System.Windows.Forms.Panel();
 36 |             this.TopBorderPanel = new System.Windows.Forms.Panel();
 37 |             this.BottomBorderPanel = new System.Windows.Forms.Panel();
 38 |             this.LeftBorderPanel = new System.Windows.Forms.Panel();
 39 |             this.RightBorderPanel = new System.Windows.Forms.Panel();
 40 |             this.MinimizeLabel = new System.Windows.Forms.Label();
 41 |             this.MaximizeLabel = new System.Windows.Forms.Label();
 42 |             this.CloseLabel = new System.Windows.Forms.Label();
 43 |             this.TitleLabel = new System.Windows.Forms.Label();
 44 |             this.SystemLabel = new System.Windows.Forms.Label();
 45 |             this.DecorationToolTip = new System.Windows.Forms.ToolTip(this.components);
 46 |             this.SuspendLayout();
 47 |             // 
 48 |             // TopLeftCornerPanel
 49 |             // 
 50 |             this.TopLeftCornerPanel.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(43)))), ((int)(((byte)(87)))), ((int)(((byte)(154)))));
 51 |             this.TopLeftCornerPanel.Cursor = System.Windows.Forms.Cursors.SizeNWSE;
 52 |             this.TopLeftCornerPanel.Location = new System.Drawing.Point(0, 0);
 53 |             this.TopLeftCornerPanel.Name = "TopLeftCornerPanel";
 54 |             this.TopLeftCornerPanel.Size = new System.Drawing.Size(1, 1);
 55 |             this.TopLeftCornerPanel.TabIndex = 0;
 56 |             // 
 57 |             // TopRightCornerPanel
 58 |             // 
 59 |             this.TopRightCornerPanel.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
 60 |             this.TopRightCornerPanel.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(43)))), ((int)(((byte)(87)))), ((int)(((byte)(154)))));
 61 |             this.TopRightCornerPanel.Cursor = System.Windows.Forms.Cursors.SizeNESW;
 62 |             this.TopRightCornerPanel.Location = new System.Drawing.Point(471, 0);
 63 |             this.TopRightCornerPanel.Name = "TopRightCornerPanel";
 64 |             this.TopRightCornerPanel.Size = new System.Drawing.Size(1, 1);
 65 |             this.TopRightCornerPanel.TabIndex = 1;
 66 |             // 
 67 |             // BottomLeftCornerPanel
 68 |             // 
 69 |             this.BottomLeftCornerPanel.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
 70 |             this.BottomLeftCornerPanel.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(43)))), ((int)(((byte)(87)))), ((int)(((byte)(154)))));
 71 |             this.BottomLeftCornerPanel.Cursor = System.Windows.Forms.Cursors.SizeNESW;
 72 |             this.BottomLeftCornerPanel.Location = new System.Drawing.Point(0, 246);
 73 |             this.BottomLeftCornerPanel.Name = "BottomLeftCornerPanel";
 74 |             this.BottomLeftCornerPanel.Size = new System.Drawing.Size(1, 1);
 75 |             this.BottomLeftCornerPanel.TabIndex = 1;
 76 |             // 
 77 |             // BottomRightCornerPanel
 78 |             // 
 79 |             this.BottomRightCornerPanel.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
 80 |             this.BottomRightCornerPanel.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(43)))), ((int)(((byte)(87)))), ((int)(((byte)(154)))));
 81 |             this.BottomRightCornerPanel.Cursor = System.Windows.Forms.Cursors.SizeNWSE;
 82 |             this.BottomRightCornerPanel.Location = new System.Drawing.Point(471, 246);
 83 |             this.BottomRightCornerPanel.Name = "BottomRightCornerPanel";
 84 |             this.BottomRightCornerPanel.Size = new System.Drawing.Size(1, 1);
 85 |             this.BottomRightCornerPanel.TabIndex = 1;
 86 |             // 
 87 |             // TopBorderPanel
 88 |             // 
 89 |             this.TopBorderPanel.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
 90 |             | System.Windows.Forms.AnchorStyles.Right)));
 91 |             this.TopBorderPanel.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(43)))), ((int)(((byte)(87)))), ((int)(((byte)(154)))));
 92 |             this.TopBorderPanel.Cursor = System.Windows.Forms.Cursors.SizeNS;
 93 |             this.TopBorderPanel.Location = new System.Drawing.Point(1, 0);
 94 |             this.TopBorderPanel.Name = "TopBorderPanel";
 95 |             this.TopBorderPanel.Size = new System.Drawing.Size(470, 1);
 96 |             this.TopBorderPanel.TabIndex = 2;
 97 |             // 
 98 |             // BottomBorderPanel
 99 |             // 
100 |             this.BottomBorderPanel.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left) 
101 |             | System.Windows.Forms.AnchorStyles.Right)));
102 |             this.BottomBorderPanel.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(43)))), ((int)(((byte)(87)))), ((int)(((byte)(154)))));
103 |             this.BottomBorderPanel.Cursor = System.Windows.Forms.Cursors.SizeNS;
104 |             this.BottomBorderPanel.Location = new System.Drawing.Point(1, 246);
105 |             this.BottomBorderPanel.Name = "BottomBorderPanel";
106 |             this.BottomBorderPanel.Size = new System.Drawing.Size(470, 1);
107 |             this.BottomBorderPanel.TabIndex = 3;
108 |             // 
109 |             // LeftBorderPanel
110 |             // 
111 |             this.LeftBorderPanel.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
112 |             | System.Windows.Forms.AnchorStyles.Left)));
113 |             this.LeftBorderPanel.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(43)))), ((int)(((byte)(87)))), ((int)(((byte)(154)))));
114 |             this.LeftBorderPanel.Cursor = System.Windows.Forms.Cursors.SizeWE;
115 |             this.LeftBorderPanel.Location = new System.Drawing.Point(0, 1);
116 |             this.LeftBorderPanel.Name = "LeftBorderPanel";
117 |             this.LeftBorderPanel.Size = new System.Drawing.Size(1, 245);
118 |             this.LeftBorderPanel.TabIndex = 4;
119 |             // 
120 |             // RightBorderPanel
121 |             // 
122 |             this.RightBorderPanel.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
123 |             | System.Windows.Forms.AnchorStyles.Right)));
124 |             this.RightBorderPanel.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(43)))), ((int)(((byte)(87)))), ((int)(((byte)(154)))));
125 |             this.RightBorderPanel.Cursor = System.Windows.Forms.Cursors.SizeWE;
126 |             this.RightBorderPanel.Location = new System.Drawing.Point(471, 1);
127 |             this.RightBorderPanel.Name = "RightBorderPanel";
128 |             this.RightBorderPanel.Size = new System.Drawing.Size(1, 245);
129 |             this.RightBorderPanel.TabIndex = 5;
130 |             // 
131 |             // MinimizeLabel
132 |             // 
133 |             this.MinimizeLabel.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
134 |             this.MinimizeLabel.BackColor = System.Drawing.Color.White;
135 |             this.MinimizeLabel.Font = new System.Drawing.Font("Marlett", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
136 |             this.MinimizeLabel.Location = new System.Drawing.Point(399, 1);
137 |             this.MinimizeLabel.Name = "MinimizeLabel";
138 |             this.MinimizeLabel.Size = new System.Drawing.Size(24, 24);
139 |             this.MinimizeLabel.TabIndex = 7;
140 |             this.MinimizeLabel.Text = "0";
141 |             this.MinimizeLabel.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
142 |             this.DecorationToolTip.SetToolTip(this.MinimizeLabel, "Minimize");
143 |             // 
144 |             // MaximizeLabel
145 |             // 
146 |             this.MaximizeLabel.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
147 |             this.MaximizeLabel.BackColor = System.Drawing.Color.White;
148 |             this.MaximizeLabel.Font = new System.Drawing.Font("Marlett", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
149 |             this.MaximizeLabel.Location = new System.Drawing.Point(423, 1);
150 |             this.MaximizeLabel.Name = "MaximizeLabel";
151 |             this.MaximizeLabel.Size = new System.Drawing.Size(24, 24);
152 |             this.MaximizeLabel.TabIndex = 8;
153 |             this.MaximizeLabel.Text = "1";
154 |             this.MaximizeLabel.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
155 |             this.DecorationToolTip.SetToolTip(this.MaximizeLabel, "Maximize");
156 |             // 
157 |             // CloseLabel
158 |             // 
159 |             this.CloseLabel.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
160 |             this.CloseLabel.BackColor = System.Drawing.Color.White;
161 |             this.CloseLabel.Font = new System.Drawing.Font("Marlett", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
162 |             this.CloseLabel.Location = new System.Drawing.Point(447, 1);
163 |             this.CloseLabel.Name = "CloseLabel";
164 |             this.CloseLabel.Size = new System.Drawing.Size(24, 24);
165 |             this.CloseLabel.TabIndex = 9;
166 |             this.CloseLabel.Text = "r";
167 |             this.CloseLabel.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
168 |             this.DecorationToolTip.SetToolTip(this.CloseLabel, "Close");
169 |             // 
170 |             // TitleLabel
171 |             // 
172 |             this.TitleLabel.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
173 |             | System.Windows.Forms.AnchorStyles.Right)));
174 |             this.TitleLabel.BackColor = System.Drawing.Color.White;
175 |             this.TitleLabel.Font = new System.Drawing.Font("Segoe UI", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
176 |             this.TitleLabel.ForeColor = System.Drawing.Color.FromArgb(((int)(((byte)(68)))), ((int)(((byte)(68)))), ((int)(((byte)(68)))));
177 |             this.TitleLabel.Location = new System.Drawing.Point(1, 1);
178 |             this.TitleLabel.Name = "TitleLabel";
179 |             this.TitleLabel.Size = new System.Drawing.Size(470, 24);
180 |             this.TitleLabel.TabIndex = 10;
181 |             this.TitleLabel.Text = "Title";
182 |             this.TitleLabel.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
183 |             // 
184 |             // SystemLabel
185 |             // 
186 |             this.SystemLabel.BackColor = System.Drawing.Color.White;
187 |             this.SystemLabel.Location = new System.Drawing.Point(1, 1);
188 |             this.SystemLabel.Name = "SystemLabel";
189 |             this.SystemLabel.Size = new System.Drawing.Size(24, 24);
190 |             this.SystemLabel.TabIndex = 11;
191 |             this.SystemLabel.Text = "g";
192 |             this.SystemLabel.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
193 |             // 
194 |             // MainForm
195 |             // 
196 |             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
197 |             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
198 |             this.BackColor = System.Drawing.Color.White;
199 |             this.ClientSize = new System.Drawing.Size(472, 247);
200 |             this.Controls.Add(this.SystemLabel);
201 |             this.Controls.Add(this.MinimizeLabel);
202 |             this.Controls.Add(this.MaximizeLabel);
203 |             this.Controls.Add(this.CloseLabel);
204 |             this.Controls.Add(this.TitleLabel);
205 |             this.Controls.Add(this.RightBorderPanel);
206 |             this.Controls.Add(this.LeftBorderPanel);
207 |             this.Controls.Add(this.BottomBorderPanel);
208 |             this.Controls.Add(this.TopBorderPanel);
209 |             this.Controls.Add(this.TopRightCornerPanel);
210 |             this.Controls.Add(this.BottomLeftCornerPanel);
211 |             this.Controls.Add(this.BottomRightCornerPanel);
212 |             this.Controls.Add(this.TopLeftCornerPanel);
213 |             this.Location = new System.Drawing.Point(0, 0);
214 |             this.Name = "MainForm";
215 |             this.Text = "Title";
216 |             this.ResumeLayout(false);
217 | 
218 |         }
219 | 
220 |         #endregion
221 | 
222 |         private System.Windows.Forms.Panel TopLeftCornerPanel;
223 |         private System.Windows.Forms.Panel TopRightCornerPanel;
224 |         private System.Windows.Forms.Panel BottomLeftCornerPanel;
225 |         private System.Windows.Forms.Panel BottomRightCornerPanel;
226 |         private System.Windows.Forms.Panel TopBorderPanel;
227 |         private System.Windows.Forms.Panel BottomBorderPanel;
228 |         private System.Windows.Forms.Panel LeftBorderPanel;
229 |         private System.Windows.Forms.Panel RightBorderPanel;
230 |         private System.Windows.Forms.Label MinimizeLabel;
231 |         private System.Windows.Forms.Label MaximizeLabel;
232 |         private System.Windows.Forms.Label TitleLabel;
233 |         private System.Windows.Forms.Label SystemLabel;
234 |         private System.Windows.Forms.Label CloseLabel;
235 |         private System.Windows.Forms.ToolTip DecorationToolTip;
236 |     }
237 | }
238 | 
239 | 


--------------------------------------------------------------------------------
/MainForm.cs:
--------------------------------------------------------------------------------
  1 | using System;
  2 | using System.Collections.Generic;
  3 | using System.ComponentModel;
  4 | using System.Data;
  5 | using System.Diagnostics;
  6 | using System.Drawing;
  7 | using System.Linq;
  8 | using System.Text;
  9 | using System.Windows.Forms;
 10 | 
 11 | namespace BorderlessForm
 12 | {
 13 |     public partial class MainForm : FormBase
 14 |     {
 15 |         private FormWindowState previousWindowState;
 16 | 
 17 |         private Color hoverTextColor = Color.FromArgb(62, 109, 181);
 18 | 
 19 |         public Color HoverTextColor
 20 |         {
 21 |             get { return hoverTextColor; }
 22 |             set { hoverTextColor = value; }
 23 |         }
 24 | 
 25 |         private Color downTextColor = Color.FromArgb(25, 71, 138);
 26 | 
 27 |         public Color DownTextColor
 28 |         {
 29 |             get { return downTextColor; }
 30 |             set { downTextColor = value; }
 31 |         }
 32 | 
 33 |         private Color hoverBackColor = Color.FromArgb(213, 225, 242);
 34 | 
 35 |         public Color HoverBackColor
 36 |         {
 37 |             get { return hoverBackColor; }
 38 |             set { hoverBackColor = value; }
 39 |         }
 40 | 
 41 |         private Color downBackColor = Color.FromArgb(163, 189, 227);
 42 | 
 43 |         public Color DownBackColor
 44 |         {
 45 |             get { return downBackColor; }
 46 |             set { downBackColor = value; }
 47 |         }
 48 | 
 49 |         private Color normalBackColor = Color.White;
 50 | 
 51 |         public Color NormalBackColor
 52 |         {
 53 |             get { return normalBackColor; }
 54 |             set { normalBackColor = value; }
 55 |         }
 56 | 
 57 |         public enum MouseState 
 58 |         {
 59 |             Normal,
 60 |             Hover,
 61 |             Down
 62 |         }
 63 | 
 64 |         protected void SetLabelColors(Control control, MouseState state)
 65 |         {
 66 |             if (!ContainsFocus) return;
 67 | 
 68 |             var textColor = ActiveTextColor;
 69 |             var backColor = NormalBackColor;
 70 | 
 71 |             switch (state)
 72 |             {
 73 |                 case MouseState.Hover:
 74 |                     textColor = HoverTextColor;
 75 |                     backColor = HoverBackColor;
 76 |                     break;
 77 |                 case MouseState.Down:
 78 |                     textColor = DownTextColor;
 79 |                     backColor = DownBackColor;
 80 |                     break;
 81 |             }
 82 | 
 83 |             control.ForeColor = textColor;
 84 |             control.BackColor = backColor;
 85 |         }
 86 | 
 87 |         public MainForm()
 88 |         {
 89 |             InitializeComponent();
 90 | 
 91 |             Activated += MainForm_Activated;
 92 |             Deactivate += MainForm_Deactivate;
 93 | 
 94 |             foreach (var control in new[] { SystemLabel, MinimizeLabel, MaximizeLabel, CloseLabel })
 95 |             {
 96 |                 control.MouseEnter += (s, e) => SetLabelColors((Control)s, MouseState.Hover);
 97 |                 control.MouseLeave += (s, e) => SetLabelColors((Control)s, MouseState.Normal);
 98 |                 control.MouseDown += (s, e) => SetLabelColors((Control)s, MouseState.Down);
 99 |             }
100 | 
101 |             TopLeftCornerPanel.MouseDown += (s, e) => DecorationMouseDown(e, HitTestValues.HTTOPLEFT);
102 |             TopRightCornerPanel.MouseDown += (s, e) => DecorationMouseDown(e, HitTestValues.HTTOPRIGHT);
103 |             BottomLeftCornerPanel.MouseDown += (s, e) => DecorationMouseDown(e, HitTestValues.HTBOTTOMLEFT);
104 |             BottomRightCornerPanel.MouseDown += (s, e) => DecorationMouseDown(e, HitTestValues.HTBOTTOMRIGHT);
105 | 
106 |             TopBorderPanel.MouseDown += (s, e) => DecorationMouseDown(e, HitTestValues.HTTOP);
107 |             LeftBorderPanel.MouseDown += (s, e) => DecorationMouseDown(e, HitTestValues.HTLEFT);
108 |             RightBorderPanel.MouseDown += (s, e) => DecorationMouseDown(e, HitTestValues.HTRIGHT);
109 |             BottomBorderPanel.MouseDown += (s, e) => DecorationMouseDown(e, HitTestValues.HTBOTTOM);
110 | 
111 |             SystemLabel.MouseDown += SystemLabel_MouseDown;
112 |             SystemLabel.MouseUp += SystemLabel_MouseUp;
113 | 
114 |             TitleLabel.MouseDown += TitleLabel_MouseDown;
115 |             TitleLabel.MouseUp += (s, e) => { if (e.Button == MouseButtons.Right && TitleLabel.ClientRectangle.Contains(e.Location)) ShowSystemMenu(MouseButtons); };
116 |             TitleLabel.Text = Text;
117 |             TextChanged += (s, e) => TitleLabel.Text = Text;
118 | 
119 |             var marlett = new Font("Marlett", 8.5f);
120 | 
121 |             MinimizeLabel.Font = marlett;
122 |             MaximizeLabel.Font = marlett;
123 |             CloseLabel.Font = marlett;
124 |             SystemLabel.Font = marlett;
125 | 
126 |             MinimizeLabel.MouseClick += (s, e) => { if (e.Button == MouseButtons.Left) WindowState = FormWindowState.Minimized; };
127 |             MaximizeLabel.MouseClick += (s, e) => { if (e.Button == MouseButtons.Left) ToggleMaximize(); };
128 |             previousWindowState = MinMaxState;
129 |             SizeChanged += MainForm_SizeChanged;
130 |             CloseLabel.MouseClick += (s, e) => Close(e);
131 |         }
132 | 
133 |         void SystemLabel_MouseUp(object sender, MouseEventArgs e)
134 |         {
135 |             if (e.Button == MouseButtons.Right) ShowSystemMenu(MouseButtons);
136 |         }
137 | 
138 |         private DateTime systemClickTime = DateTime.MinValue;
139 |         private DateTime systemMenuCloseTime = DateTime.MinValue;
140 | 
141 |         void SystemLabel_MouseDown(object sender, MouseEventArgs e)
142 |         {
143 |             if (e.Button == MouseButtons.Left)
144 |             {
145 |                 var clickTime = (DateTime.Now - systemClickTime).TotalMilliseconds;
146 |                 if (clickTime < SystemInformation.DoubleClickTime)
147 |                     Close();
148 |                 else
149 |                 {
150 |                     systemClickTime = DateTime.Now;
151 |                     if ((systemClickTime - systemMenuCloseTime).TotalMilliseconds > 200)
152 |                     {
153 |                         SetLabelColors(SystemLabel, MouseState.Normal);
154 |                         ShowSystemMenu(MouseButtons, PointToScreen(new Point(8, 32)));
155 |                         systemMenuCloseTime = DateTime.Now;
156 |                     }
157 |                 }
158 |             }
159 |         }
160 | 
161 |         void Close(MouseEventArgs e)
162 |         {
163 |             if (e.Button == MouseButtons.Left) Close();
164 |         }
165 | 
166 |         void DecorationMouseDown(MouseEventArgs e, HitTestValues h)
167 |         {
168 |             if (e.Button == MouseButtons.Left) DecorationMouseDown(h);
169 |         }
170 | 
171 |         private Color activeBorderColor = Color.FromArgb(43, 87, 154);
172 | 
173 |         public Color ActiveBorderColor
174 |         {
175 |             get { return activeBorderColor; }
176 |             set { activeBorderColor = value; }
177 |         }
178 | 
179 |         private Color inactiveBorderColor = Color.FromArgb(131, 131, 131);
180 | 
181 |         public Color InactiveBorderColor
182 |         {
183 |             get { return inactiveBorderColor; }
184 |             set { inactiveBorderColor = value; }
185 |         }
186 | 
187 |         void MainForm_Deactivate(object sender, EventArgs e)
188 |         {
189 |             SetBorderColor(InactiveBorderColor);
190 |             SetTextColor(InactiveTextColor);
191 |         }
192 | 
193 |         void MainForm_Activated(object sender, EventArgs e)
194 |         {
195 |             SetBorderColor(ActiveBorderColor);
196 |             SetTextColor(ActiveTextColor);
197 |         }
198 | 
199 |         private Color activeTextColor = Color.FromArgb(68, 68, 68);
200 | 
201 |         public Color ActiveTextColor
202 |         {
203 |             get { return activeTextColor; }
204 |             set { activeTextColor = value; }
205 |         }
206 | 
207 |         private Color inactiveTextColor = Color.FromArgb(177, 177, 177);
208 | 
209 |         public Color InactiveTextColor
210 |         {
211 |             get { return inactiveTextColor; }
212 |             set { inactiveTextColor = value; }
213 |         }
214 |         
215 |         protected void SetBorderColor(Color color)
216 |         {
217 |             TopLeftCornerPanel.BackColor = color;
218 |             TopBorderPanel.BackColor = color;
219 |             TopRightCornerPanel.BackColor = color;
220 |             LeftBorderPanel.BackColor = color;
221 |             RightBorderPanel.BackColor = color;
222 |             BottomLeftCornerPanel.BackColor = color;
223 |             BottomBorderPanel.BackColor = color;
224 |             BottomRightCornerPanel.BackColor = color;
225 |         }
226 | 
227 |         protected void SetTextColor(Color color)
228 |         {
229 |             SystemLabel.ForeColor = color;
230 |             TitleLabel.ForeColor = color;
231 |             MinimizeLabel.ForeColor = color;
232 |             MaximizeLabel.ForeColor = color;
233 |             CloseLabel.ForeColor = color;
234 |         }
235 | 
236 |         void MainForm_SizeChanged(object sender, EventArgs e)
237 |         {
238 |             var maximized = MinMaxState == FormWindowState.Maximized;
239 |             MaximizeLabel.Text = maximized ? "2" : "1";
240 | 
241 |             var panels = new[] { TopLeftCornerPanel, TopRightCornerPanel, BottomLeftCornerPanel, BottomRightCornerPanel,
242 |                 TopBorderPanel, LeftBorderPanel, RightBorderPanel, BottomBorderPanel };
243 | 
244 |             foreach (var panel in panels)
245 |             {
246 |                 panel.Visible = !maximized;
247 |             }
248 | 
249 |             if (previousWindowState != MinMaxState)
250 |             {
251 |                 if (maximized)
252 |                 {
253 |                     SystemLabel.Left = 0;
254 |                     SystemLabel.Top = 0;
255 |                     CloseLabel.Left += RightBorderPanel.Width;
256 |                     CloseLabel.Top = 0;
257 |                     MaximizeLabel.Left += RightBorderPanel.Width;
258 |                     MaximizeLabel.Top = 0;
259 |                     MinimizeLabel.Left += RightBorderPanel.Width;
260 |                     MinimizeLabel.Top = 0;
261 |                     TitleLabel.Left -= LeftBorderPanel.Width;
262 |                     TitleLabel.Width += LeftBorderPanel.Width + RightBorderPanel.Width;
263 |                     TitleLabel.Top = 0;
264 |                 }
265 |                 else if (previousWindowState == FormWindowState.Maximized)
266 |                 {
267 |                     SystemLabel.Left = LeftBorderPanel.Width;
268 |                     SystemLabel.Top = TopBorderPanel.Height;
269 |                     CloseLabel.Left -= RightBorderPanel.Width;
270 |                     CloseLabel.Top = TopBorderPanel.Height;
271 |                     MaximizeLabel.Left -= RightBorderPanel.Width;
272 |                     MaximizeLabel.Top = TopBorderPanel.Height;
273 |                     MinimizeLabel.Left -= RightBorderPanel.Width;
274 |                     MinimizeLabel.Top = TopBorderPanel.Height;
275 |                     TitleLabel.Left += LeftBorderPanel.Width;
276 |                     TitleLabel.Width -= LeftBorderPanel.Width + RightBorderPanel.Width;
277 |                     TitleLabel.Top = TopBorderPanel.Height;
278 |                 }
279 | 
280 |                 previousWindowState = MinMaxState;
281 |             }
282 |         }
283 | 
284 |         private FormWindowState ToggleMaximize()
285 |         {
286 |             return WindowState = WindowState == FormWindowState.Maximized ? FormWindowState.Normal : FormWindowState.Maximized;
287 |         }
288 | 
289 |         private DateTime titleClickTime = DateTime.MinValue;
290 |         private Point titleClickPosition = Point.Empty;
291 | 
292 |         void TitleLabel_MouseDown(object sender, MouseEventArgs e)
293 |         {
294 |             if (e.Button == MouseButtons.Left)
295 |             {
296 |                 var clickTime = (DateTime.Now - titleClickTime).TotalMilliseconds;
297 |                 if (clickTime < SystemInformation.DoubleClickTime && e.Location == titleClickPosition)
298 |                     ToggleMaximize();
299 |                 else
300 |                 {
301 |                     titleClickTime = DateTime.Now;
302 |                     titleClickPosition = e.Location;
303 |                     DecorationMouseDown(HitTestValues.HTCAPTION);
304 |                 }
305 |             }
306 |         }
307 |     }
308 | }
309 | 


--------------------------------------------------------------------------------
/MainForm.resx:
--------------------------------------------------------------------------------
  1 | <?xml version="1.0" encoding="utf-8"?>
  2 | <root>
  3 |   <!-- 
  4 |     Microsoft ResX Schema 
  5 |     
  6 |     Version 2.0
  7 |     
  8 |     The primary goals of this format is to allow a simple XML format 
  9 |     that is mostly human readable. The generation and parsing of the 
 10 |     various data types are done through the TypeConverter classes 
 11 |     associated with the data types.
 12 |     
 13 |     Example:
 14 |     
 15 |     ... ado.net/XML headers & schema ...
 16 |     <resheader name="resmimetype">text/microsoft-resx</resheader>
 17 |     <resheader name="version">2.0</resheader>
 18 |     <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
 19 |     <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
 20 |     <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
 21 |     <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
 22 |     <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
 23 |         <value>[base64 mime encoded serialized .NET Framework object]</value>
 24 |     </data>
 25 |     <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
 26 |         <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
 27 |         <comment>This is a comment</comment>
 28 |     </data>
 29 |                 
 30 |     There are any number of "resheader" rows that contain simple 
 31 |     name/value pairs.
 32 |     
 33 |     Each data row contains a name, and value. The row also contains a 
 34 |     type or mimetype. Type corresponds to a .NET class that support 
 35 |     text/value conversion through the TypeConverter architecture. 
 36 |     Classes that don't support this are serialized and stored with the 
 37 |     mimetype set.
 38 |     
 39 |     The mimetype is used for serialized objects, and tells the 
 40 |     ResXResourceReader how to depersist the object. This is currently not 
 41 |     extensible. For a given mimetype the value must be set accordingly:
 42 |     
 43 |     Note - application/x-microsoft.net.object.binary.base64 is the format 
 44 |     that the ResXResourceWriter will generate, however the reader can 
 45 |     read any of the formats listed below.
 46 |     
 47 |     mimetype: application/x-microsoft.net.object.binary.base64
 48 |     value   : The object must be serialized with 
 49 |             : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
 50 |             : and then encoded with base64 encoding.
 51 |     
 52 |     mimetype: application/x-microsoft.net.object.soap.base64
 53 |     value   : The object must be serialized with 
 54 |             : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
 55 |             : and then encoded with base64 encoding.
 56 | 
 57 |     mimetype: application/x-microsoft.net.object.bytearray.base64
 58 |     value   : The object must be serialized into a byte array 
 59 |             : using a System.ComponentModel.TypeConverter
 60 |             : and then encoded with base64 encoding.
 61 |     -->
 62 |   <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
 63 |     <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
 64 |     <xsd:element name="root" msdata:IsDataSet="true">
 65 |       <xsd:complexType>
 66 |         <xsd:choice maxOccurs="unbounded">
 67 |           <xsd:element name="metadata">
 68 |             <xsd:complexType>
 69 |               <xsd:sequence>
 70 |                 <xsd:element name="value" type="xsd:string" minOccurs="0" />
 71 |               </xsd:sequence>
 72 |               <xsd:attribute name="name" use="required" type="xsd:string" />
 73 |               <xsd:attribute name="type" type="xsd:string" />
 74 |               <xsd:attribute name="mimetype" type="xsd:string" />
 75 |               <xsd:attribute ref="xml:space" />
 76 |             </xsd:complexType>
 77 |           </xsd:element>
 78 |           <xsd:element name="assembly">
 79 |             <xsd:complexType>
 80 |               <xsd:attribute name="alias" type="xsd:string" />
 81 |               <xsd:attribute name="name" type="xsd:string" />
 82 |             </xsd:complexType>
 83 |           </xsd:element>
 84 |           <xsd:element name="data">
 85 |             <xsd:complexType>
 86 |               <xsd:sequence>
 87 |                 <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
 88 |                 <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
 89 |               </xsd:sequence>
 90 |               <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
 91 |               <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
 92 |               <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
 93 |               <xsd:attribute ref="xml:space" />
 94 |             </xsd:complexType>
 95 |           </xsd:element>
 96 |           <xsd:element name="resheader">
 97 |             <xsd:complexType>
 98 |               <xsd:sequence>
 99 |                 <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
100 |               </xsd:sequence>
101 |               <xsd:attribute name="name" type="xsd:string" use="required" />
102 |             </xsd:complexType>
103 |           </xsd:element>
104 |         </xsd:choice>
105 |       </xsd:complexType>
106 |     </xsd:element>
107 |   </xsd:schema>
108 |   <resheader name="resmimetype">
109 |     <value>text/microsoft-resx</value>
110 |   </resheader>
111 |   <resheader name="version">
112 |     <value>2.0</value>
113 |   </resheader>
114 |   <resheader name="reader">
115 |     <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
116 |   </resheader>
117 |   <resheader name="writer">
118 |     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
119 |   </resheader>
120 |   <metadata name="DecorationToolTip.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
121 |     <value>17, 17</value>
122 |   </metadata>
123 | </root>


--------------------------------------------------------------------------------
/Native.cs:
--------------------------------------------------------------------------------
  1 | using System;
  2 | using System.Collections.Generic;
  3 | using System.Linq;
  4 | using System.Runtime.InteropServices;
  5 | using System.Text;
  6 | 
  7 | namespace BorderlessForm
  8 | {
  9 |     public enum GetWindow_Cmd : uint
 10 |     {
 11 |         GW_HWNDFIRST = 0,
 12 |         GW_HWNDLAST = 1,
 13 |         GW_HWNDNEXT = 2,
 14 |         GW_HWNDPREV = 3,
 15 |         GW_OWNER = 4,
 16 |         GW_CHILD = 5,
 17 |         GW_ENABLEDPOPUP = 6
 18 |     }
 19 | 
 20 |     public enum HitTestValues
 21 |     {
 22 |         HTERROR = -2,
 23 |         HTTRANSPARENT = -1,
 24 |         HTNOWHERE = 0,
 25 |         HTCLIENT = 1,
 26 |         HTCAPTION = 2,
 27 |         HTSYSMENU = 3,
 28 |         HTGROWBOX = 4,
 29 |         HTMENU = 5,
 30 |         HTHSCROLL = 6,
 31 |         HTVSCROLL = 7,
 32 |         HTMINBUTTON = 8,
 33 |         HTMAXBUTTON = 9,
 34 |         HTLEFT = 10,
 35 |         HTRIGHT = 11,
 36 |         HTTOP = 12,
 37 |         HTTOPLEFT = 13,
 38 |         HTTOPRIGHT = 14,
 39 |         HTBOTTOM = 15,
 40 |         HTBOTTOMLEFT = 16,
 41 |         HTBOTTOMRIGHT = 17,
 42 |         HTBORDER = 18,
 43 |         HTOBJECT = 19,
 44 |         HTCLOSE = 20,
 45 |         HTHELP = 21
 46 |     }
 47 | 
 48 |     public enum WindowMessages
 49 |     {
 50 |         WM_NULL = 0x0000,
 51 |         WM_CREATE = 0x0001,
 52 |         WM_DESTROY = 0x0002,
 53 |         WM_MOVE = 0x0003,
 54 |         WM_SIZE = 0x0005,
 55 |         WM_ACTIVATE = 0x0006,
 56 |         WM_SETFOCUS = 0x0007,
 57 |         WM_KILLFOCUS = 0x0008,
 58 |         WM_ENABLE = 0x000A,
 59 |         WM_SETREDRAW = 0x000B,
 60 |         WM_SETTEXT = 0x000C,
 61 |         WM_GETTEXT = 0x000D,
 62 |         WM_GETTEXTLENGTH = 0x000E,
 63 |         WM_PAINT = 0x000F,
 64 |         WM_CLOSE = 0x0010,
 65 | 
 66 |         WM_QUIT = 0x0012,
 67 |         WM_ERASEBKGND = 0x0014,
 68 |         WM_SYSCOLORCHANGE = 0x0015,
 69 |         WM_SHOWWINDOW = 0x0018,
 70 | 
 71 |         WM_ACTIVATEAPP = 0x001C,
 72 | 
 73 |         WM_SETCURSOR = 0x0020,
 74 |         WM_MOUSEACTIVATE = 0x0021,
 75 |         WM_GETMINMAXINFO = 0x24,
 76 |         WM_WINDOWPOSCHANGING = 0x0046,
 77 |         WM_WINDOWPOSCHANGED = 0x0047,
 78 | 
 79 |         WM_CONTEXTMENU = 0x007B,
 80 |         WM_STYLECHANGING = 0x007C,
 81 |         WM_STYLECHANGED = 0x007D,
 82 |         WM_DISPLAYCHANGE = 0x007E,
 83 |         WM_GETICON = 0x007F,
 84 |         WM_SETICON = 0x0080,
 85 | 
 86 |         // non client area
 87 |         WM_NCCREATE = 0x0081,
 88 |         WM_NCDESTROY = 0x0082,
 89 |         WM_NCCALCSIZE = 0x0083,
 90 |         WM_NCHITTEST = 0x84,
 91 |         WM_NCPAINT = 0x0085,
 92 |         WM_NCACTIVATE = 0x0086,
 93 | 
 94 |         WM_GETDLGCODE = 0x0087,
 95 | 
 96 |         WM_SYNCPAINT = 0x0088,
 97 | 
 98 |         // non client mouse
 99 |         WM_NCMOUSEMOVE = 0x00A0,
100 |         WM_NCLBUTTONDOWN = 0x00A1,
101 |         WM_NCLBUTTONUP = 0x00A2,
102 |         WM_NCLBUTTONDBLCLK = 0x00A3,
103 |         WM_NCRBUTTONDOWN = 0x00A4,
104 |         WM_NCRBUTTONUP = 0x00A5,
105 |         WM_NCRBUTTONDBLCLK = 0x00A6,
106 |         WM_NCMBUTTONDOWN = 0x00A7,
107 |         WM_NCMBUTTONUP = 0x00A8,
108 |         WM_NCMBUTTONDBLCLK = 0x00A9,
109 | 
110 |         // keyboard
111 |         WM_KEYDOWN = 0x0100,
112 |         WM_KEYUP = 0x0101,
113 |         WM_CHAR = 0x0102,
114 | 
115 |         WM_SYSCOMMAND = 0x0112,
116 | 
117 |         // menu
118 |         WM_INITMENU = 0x0116,
119 |         WM_INITMENUPOPUP = 0x0117,
120 |         WM_MENUSELECT = 0x011F,
121 |         WM_MENUCHAR = 0x0120,
122 |         WM_ENTERIDLE = 0x0121,
123 |         WM_MENURBUTTONUP = 0x0122,
124 |         WM_MENUDRAG = 0x0123,
125 |         WM_MENUGETOBJECT = 0x0124,
126 |         WM_UNINITMENUPOPUP = 0x0125,
127 |         WM_MENUCOMMAND = 0x0126,
128 | 
129 |         WM_CHANGEUISTATE = 0x0127,
130 |         WM_UPDATEUISTATE = 0x0128,
131 |         WM_QUERYUISTATE = 0x0129,
132 | 
133 |         // mouse
134 |         WM_MOUSEFIRST = 0x0200,
135 |         WM_MOUSEMOVE = 0x0200,
136 |         WM_LBUTTONDOWN = 0x0201,
137 |         WM_LBUTTONUP = 0x0202,
138 |         WM_LBUTTONDBLCLK = 0x0203,
139 |         WM_RBUTTONDOWN = 0x0204,
140 |         WM_RBUTTONUP = 0x0205,
141 |         WM_RBUTTONDBLCLK = 0x0206,
142 |         WM_MBUTTONDOWN = 0x0207,
143 |         WM_MBUTTONUP = 0x0208,
144 |         WM_MBUTTONDBLCLK = 0x0209,
145 |         WM_MOUSEWHEEL = 0x020A,
146 |         WM_MOUSELAST = 0x020D,
147 | 
148 |         WM_PARENTNOTIFY = 0x0210,
149 |         WM_ENTERMENULOOP = 0x0211,
150 |         WM_EXITMENULOOP = 0x0212,
151 | 
152 |         WM_NEXTMENU = 0x0213,
153 |         WM_SIZING = 0x0214,
154 |         WM_CAPTURECHANGED = 0x0215,
155 |         WM_MOVING = 0x0216,
156 | 
157 |         WM_ENTERSIZEMOVE = 0x0231,
158 |         WM_EXITSIZEMOVE = 0x0232,
159 | 
160 |         WM_MOUSELEAVE = 0x02A3,
161 |         WM_MOUSEHOVER = 0x02A1,
162 |         WM_NCMOUSEHOVER = 0x02A0,
163 |         WM_NCMOUSELEAVE = 0x02A2,
164 | 
165 |         WM_MDIACTIVATE = 0x0222,
166 |         WM_HSCROLL = 0x0114,
167 |         WM_VSCROLL = 0x0115,
168 | 
169 |         WM_SYSMENU = 0x313,
170 | 
171 |         WM_PRINT = 0x0317,
172 |         WM_PRINTCLIENT = 0x0318,
173 |     }
174 | 
175 |     public enum SystemCommands
176 |     {
177 |         SC_SIZE = 0xF000,
178 |         SC_MOVE = 0xF010,
179 |         SC_MINIMIZE = 0xF020,
180 |         SC_MAXIMIZE = 0xF030,
181 |         SC_MAXIMIZE2 = 0xF032,	// fired from double-click on caption
182 |         SC_NEXTWINDOW = 0xF040,
183 |         SC_PREVWINDOW = 0xF050,
184 |         SC_CLOSE = 0xF060,
185 |         SC_VSCROLL = 0xF070,
186 |         SC_HSCROLL = 0xF080,
187 |         SC_MOUSEMENU = 0xF090,
188 |         SC_KEYMENU = 0xF100,
189 |         SC_ARRANGE = 0xF110,
190 |         SC_RESTORE = 0xF120,
191 |         SC_RESTORE2 = 0xF122,	// fired from double-click on caption
192 |         SC_TASKLIST = 0xF130,
193 |         SC_SCREENSAVE = 0xF140,
194 |         SC_HOTKEY = 0xF150,
195 | 
196 |         SC_DEFAULT = 0xF160,
197 |         SC_MONITORPOWER = 0xF170,
198 |         SC_CONTEXTHELP = 0xF180,
199 |         SC_SEPARATOR = 0xF00F
200 |     }
201 | 
202 |     [StructLayout(LayoutKind.Sequential)]
203 |     public struct RECT
204 |     {
205 |         public int left;
206 |         public int top;
207 |         public int right;
208 |         public int bottom;
209 | 
210 |         public RECT(int left, int top, int right, int bottom)
211 |         {
212 |             this.left = left;
213 |             this.top = top;
214 |             this.right = right;
215 |             this.bottom = bottom;
216 |         }
217 | 
218 |         public static RECT FromXYWH(int x, int y, int width, int height)
219 |         {
220 |             return new RECT(x,
221 |                             y,
222 |                             x + width,
223 |                             y + height);
224 |         }
225 |     }
226 | 
227 |     [StructLayout(LayoutKind.Sequential)]
228 |     internal struct WINDOWPOS
229 |     {
230 |         internal IntPtr hwnd;
231 |         internal IntPtr hWndInsertAfter;
232 |         internal int x;
233 |         internal int y;
234 |         internal int cx;
235 |         internal int cy;
236 |         internal uint flags;
237 |     }
238 | 
239 |     [StructLayout(LayoutKind.Sequential)]
240 |     public struct POINTS
241 |     {
242 |         public short X;
243 |         public short Y;
244 |     }
245 | 
246 |     [Flags]
247 |     public enum WindowStyle
248 |     {
249 |         WS_OVERLAPPED = 0x00000000,
250 |         WS_POPUP = -2147483648, //0x80000000,
251 |         WS_CHILD = 0x40000000,
252 |         WS_MINIMIZE = 0x20000000,
253 |         WS_VISIBLE = 0x10000000,
254 |         WS_DISABLED = 0x08000000,
255 |         WS_CLIPSIBLINGS = 0x04000000,
256 |         WS_CLIPCHILDREN = 0x02000000,
257 |         WS_MAXIMIZE = 0x01000000,
258 |         WS_CAPTION = 0x00C00000,
259 |         WS_BORDER = 0x00800000,
260 |         WS_DLGFRAME = 0x00400000,
261 |         WS_VSCROLL = 0x00200000,
262 |         WS_HSCROLL = 0x00100000,
263 |         WS_SYSMENU = 0x00080000,
264 |         WS_THICKFRAME = 0x00040000,
265 |         WS_GROUP = 0x00020000,
266 |         WS_TABSTOP = 0x00010000,
267 |         WS_MINIMIZEBOX = 0x00020000,
268 |         WS_MAXIMIZEBOX = 0x00010000,
269 |         WS_TILED = WS_OVERLAPPED,
270 |         WS_ICONIC = WS_MINIMIZE,
271 |         WS_SIZEBOX = WS_THICKFRAME,
272 |         WS_TILEDWINDOW = WS_OVERLAPPEDWINDOW,
273 |         WS_OVERLAPPEDWINDOW = (WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU |
274 |                                 WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX),
275 |         WS_POPUPWINDOW = (WS_POPUP | WS_BORDER | WS_SYSMENU),
276 |         WS_CHILDWINDOW = (WS_CHILD)
277 |     }
278 | 
279 |     [StructLayout(LayoutKind.Sequential)]
280 |     public struct NativeMessage
281 |     {
282 |         public IntPtr handle;
283 |         public uint msg;
284 |         public IntPtr wParam;
285 |         public IntPtr lParam;
286 |         public uint time;
287 |         public System.Drawing.Point p;
288 |     }
289 | 
290 |     [StructLayout(LayoutKind.Sequential)]
291 |     public struct APPBARDATA
292 |     {
293 |         public int cbSize; // initialize this field using: Marshal.SizeOf(typeof(APPBARDATA));
294 |         public IntPtr hWnd;
295 |         public uint uCallbackMessage;
296 |         public uint uEdge;
297 |         public RECT rc;
298 |         public int lParam;
299 |     }
300 | 
301 |     public static class NativeMethods
302 |     {
303 |         [DllImport("user32.dll")]
304 |         public static extern bool ReleaseCapture();
305 | 
306 |         [DllImport("user32.dll")]
307 |         public static extern IntPtr SetCapture(IntPtr hWnd);
308 | 
309 |         [DllImport("user32.dll")]
310 |         public static extern IntPtr GetCapture();
311 | 
312 |         [DllImport("user32.dll")]
313 |         [return: MarshalAs(UnmanagedType.Bool)]
314 |         public static extern bool SetForegroundWindow(IntPtr hWnd);
315 | 
316 |         [DllImport("user32.dll", SetLastError = true)]
317 |         public static extern IntPtr SetActiveWindow(IntPtr hWnd);
318 | 
319 |         [DllImport("user32.dll")]
320 |         public static extern int SendMessage(IntPtr hwnd, int msg, int wparam, int lparam);
321 | 
322 |         [DllImport("user32.dll")]
323 |         public static extern int PostMessage(IntPtr hwnd, int msg, int wparam, int lparam);
324 | 
325 |         [DllImport("user32.dll")]
326 |         public static extern IntPtr GetSystemMenu(IntPtr hWnd, bool bRevert);
327 | 
328 |         [DllImport("user32.dll")]
329 |         public static extern int TrackPopupMenuEx(IntPtr hmenu, uint fuFlags, int x, int y,
330 |            IntPtr hwnd, IntPtr lptpm);
331 | 
332 |         [DllImport("user32.dll")]
333 |         public static extern int SendMessage(IntPtr hwnd, int wMsg, IntPtr wParam, IntPtr lParam);
334 | 
335 |         [DllImport("user32.dll")]
336 |         public static extern int SendMessage(IntPtr hwnd, int msg, int wparam, POINTS pos);
337 | 
338 |         [DllImport("user32.dll")]
339 |         public static extern int PostMessage(IntPtr hwnd, int wMsg, IntPtr wParam, IntPtr lParam);
340 | 
341 |         [DllImport("user32.dll")]
342 |         public static extern int PostMessage(IntPtr hwnd, int msg, int wparam, POINTS pos);
343 | 
344 |         [DllImport("user32.dll")]
345 |         public static extern int SetWindowRgn(IntPtr hWnd, IntPtr hRgn, bool bRedraw);
346 | 
347 |         [DllImport("user32.dll")]
348 |         [return: MarshalAs(UnmanagedType.Bool)]
349 |         public static extern bool IsWindowVisible(IntPtr hWnd);
350 | 
351 |         [DllImport("gdi32.dll")]
352 |         public static extern IntPtr CreateRectRgn(int nLeftRect, int nTopRect, int nRightRect, int nBottomRect);
353 | 
354 |         [DllImport("user32.dll")]
355 |         public static extern int GetWindowRgn(IntPtr hWnd, IntPtr hRgn);
356 | 
357 |         [DllImport("gdi32.dll")]
358 |         public static extern int GetRgnBox(IntPtr hrgn, out RECT lprc);
359 | 
360 |         [DllImport("user32.dll")]
361 |         public static extern Int32 GetWindowLong(IntPtr hWnd, Int32 Offset);
362 | 
363 |         [DllImport("user32.dll")]
364 |         public static extern int GetSystemMetrics(int smIndex);
365 | 
366 |         [DllImport("user32.dll", SetLastError = true)]
367 |         public static extern IntPtr FindWindowEx(IntPtr parentHandle, IntPtr childAfter, string className, string windowTitle);
368 | 
369 |         [DllImport("shell32.dll")]
370 |         public static extern int SHAppBarMessage(uint dwMessage, [In] ref APPBARDATA pData);
371 | 
372 |         [DllImport("gdi32.dll")]
373 |         public static extern bool DeleteObject(IntPtr hObj);
374 |     }
375 | 
376 |     public static class NativeConstants
377 |     {
378 |         public const int SM_CXSIZEFRAME = 32;
379 |         public const int SM_CYSIZEFRAME = 33;
380 |         public const int SM_CXPADDEDBORDER = 92;
381 |         
382 |         public const int GWL_ID = (-12);
383 |         public const int GWL_STYLE = (-16);
384 |         public const int GWL_EXSTYLE = (-20);
385 | 
386 |         public const int WM_NCLBUTTONDOWN = 0x00A1;
387 |         public const int WM_NCRBUTTONUP = 0x00A5;
388 | 
389 |         public const uint TPM_LEFTBUTTON = 0x0000;
390 |         public const uint TPM_RIGHTBUTTON = 0x0002;
391 |         public const uint TPM_RETURNCMD = 0x0100;
392 | 
393 |         public static readonly IntPtr TRUE = new IntPtr(1);
394 |         public static readonly IntPtr FALSE = new IntPtr(0);
395 | 
396 |         public const uint ABM_GETSTATE = 0x4;
397 |         public const int ABS_AUTOHIDE = 0x1;
398 |     }
399 | }
400 | 


--------------------------------------------------------------------------------
/Program.cs:
--------------------------------------------------------------------------------
 1 | using System;
 2 | using System.Collections.Generic;
 3 | using System.Linq;
 4 | using System.Windows.Forms;
 5 | 
 6 | namespace BorderlessForm
 7 | {
 8 |     static class Program
 9 |     {
10 |         /// <summary>
11 |         /// The main entry point for the application.
12 |         /// </summary>
13 |         [STAThread]
14 |         static void Main()
15 |         {
16 |             Application.EnableVisualStyles();
17 |             Application.SetCompatibleTextRenderingDefault(true);
18 |             Application.Run(new MainForm());
19 |         }
20 |     }
21 | }
22 | 


--------------------------------------------------------------------------------
/Properties/AssemblyInfo.cs:
--------------------------------------------------------------------------------
 1 | using System.Reflection;
 2 | using System.Runtime.CompilerServices;
 3 | using System.Runtime.InteropServices;
 4 | 
 5 | // General Information about an assembly is controlled through the following 
 6 | // set of attributes. Change these attribute values to modify the information
 7 | // associated with an assembly.
 8 | [assembly: AssemblyTitle("BorderlessForm")]
 9 | [assembly: AssemblyDescription("")]
10 | [assembly: AssemblyConfiguration("")]
11 | [assembly: AssemblyCompany("")]
12 | [assembly: AssemblyProduct("BorderlessForm")]
13 | [assembly: AssemblyCopyright("Copyright ©  2013")]
14 | [assembly: AssemblyTrademark("")]
15 | [assembly: AssemblyCulture("")]
16 | 
17 | // Setting ComVisible to false makes the types in this assembly not visible 
18 | // to COM components.  If you need to access a type in this assembly from 
19 | // COM, set the ComVisible attribute to true on that type.
20 | [assembly: ComVisible(false)]
21 | 
22 | // The following GUID is for the ID of the typelib if this project is exposed to COM
23 | [assembly: Guid("0e7f6f9f-7e75-4158-aa86-0cf9f8a3c2b2")]
24 | 
25 | // Version information for an assembly consists of the following four values:
26 | //
27 | //      Major Version
28 | //      Minor Version 
29 | //      Build Number
30 | //      Revision
31 | //
32 | // You can specify all the values or you can default the Build and Revision Numbers 
33 | // by using the '*' as shown below:
34 | // [assembly: AssemblyVersion("1.0.*")]
35 | [assembly: AssemblyVersion("1.0.0.0")]
36 | [assembly: AssemblyFileVersion("1.0.0.0")]
37 | 


--------------------------------------------------------------------------------
/Properties/Resources.Designer.cs:
--------------------------------------------------------------------------------
 1 | //------------------------------------------------------------------------------
 2 | // <auto-generated>
 3 | //     This code was generated by a tool.
 4 | //     Runtime Version:4.0.30319.18051
 5 | //
 6 | //     Changes to this file may cause incorrect behavior and will be lost if
 7 | //     the code is regenerated.
 8 | // </auto-generated>
 9 | //------------------------------------------------------------------------------
10 | 
11 | namespace BorderlessForm.Properties {
12 |     using System;
13 |     
14 |     
15 |     /// <summary>
16 |     ///   A strongly-typed resource class, for looking up localized strings, etc.
17 |     /// </summary>
18 |     // This class was auto-generated by the StronglyTypedResourceBuilder
19 |     // class via a tool like ResGen or Visual Studio.
20 |     // To add or remove a member, edit your .ResX file then rerun ResGen
21 |     // with the /str option, or rebuild your VS project.
22 |     [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "4.0.0.0")]
23 |     [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
24 |     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
25 |     internal class Resources {
26 |         
27 |         private static global::System.Resources.ResourceManager resourceMan;
28 |         
29 |         private static global::System.Globalization.CultureInfo resourceCulture;
30 |         
31 |         [global::System.Diagnostics.CodeAnalysis.SuppressMessageAttribute("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
32 |         internal Resources() {
33 |         }
34 |         
35 |         /// <summary>
36 |         ///   Returns the cached ResourceManager instance used by this class.
37 |         /// </summary>
38 |         [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
39 |         internal static global::System.Resources.ResourceManager ResourceManager {
40 |             get {
41 |                 if (object.ReferenceEquals(resourceMan, null)) {
42 |                     global::System.Resources.ResourceManager temp = new global::System.Resources.ResourceManager("BorderlessForm.Properties.Resources", typeof(Resources).Assembly);
43 |                     resourceMan = temp;
44 |                 }
45 |                 return resourceMan;
46 |             }
47 |         }
48 |         
49 |         /// <summary>
50 |         ///   Overrides the current thread's CurrentUICulture property for all
51 |         ///   resource lookups using this strongly typed resource class.
52 |         /// </summary>
53 |         [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
54 |         internal static global::System.Globalization.CultureInfo Culture {
55 |             get {
56 |                 return resourceCulture;
57 |             }
58 |             set {
59 |                 resourceCulture = value;
60 |             }
61 |         }
62 |     }
63 | }
64 | 


--------------------------------------------------------------------------------
/Properties/Resources.resx:
--------------------------------------------------------------------------------
  1 | <?xml version="1.0" encoding="utf-8"?>
  2 | <root>
  3 |   <!-- 
  4 |     Microsoft ResX Schema 
  5 |     
  6 |     Version 2.0
  7 |     
  8 |     The primary goals of this format is to allow a simple XML format 
  9 |     that is mostly human readable. The generation and parsing of the 
 10 |     various data types are done through the TypeConverter classes 
 11 |     associated with the data types.
 12 |     
 13 |     Example:
 14 |     
 15 |     ... ado.net/XML headers & schema ...
 16 |     <resheader name="resmimetype">text/microsoft-resx</resheader>
 17 |     <resheader name="version">2.0</resheader>
 18 |     <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
 19 |     <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
 20 |     <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
 21 |     <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
 22 |     <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
 23 |         <value>[base64 mime encoded serialized .NET Framework object]</value>
 24 |     </data>
 25 |     <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
 26 |         <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
 27 |         <comment>This is a comment</comment>
 28 |     </data>
 29 |                 
 30 |     There are any number of "resheader" rows that contain simple 
 31 |     name/value pairs.
 32 |     
 33 |     Each data row contains a name, and value. The row also contains a 
 34 |     type or mimetype. Type corresponds to a .NET class that support 
 35 |     text/value conversion through the TypeConverter architecture. 
 36 |     Classes that don't support this are serialized and stored with the 
 37 |     mimetype set.
 38 |     
 39 |     The mimetype is used for serialized objects, and tells the 
 40 |     ResXResourceReader how to depersist the object. This is currently not 
 41 |     extensible. For a given mimetype the value must be set accordingly:
 42 |     
 43 |     Note - application/x-microsoft.net.object.binary.base64 is the format 
 44 |     that the ResXResourceWriter will generate, however the reader can 
 45 |     read any of the formats listed below.
 46 |     
 47 |     mimetype: application/x-microsoft.net.object.binary.base64
 48 |     value   : The object must be serialized with 
 49 |             : System.Serialization.Formatters.Binary.BinaryFormatter
 50 |             : and then encoded with base64 encoding.
 51 |     
 52 |     mimetype: application/x-microsoft.net.object.soap.base64
 53 |     value   : The object must be serialized with 
 54 |             : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
 55 |             : and then encoded with base64 encoding.
 56 | 
 57 |     mimetype: application/x-microsoft.net.object.bytearray.base64
 58 |     value   : The object must be serialized into a byte array 
 59 |             : using a System.ComponentModel.TypeConverter
 60 |             : and then encoded with base64 encoding.
 61 |     -->
 62 |   <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
 63 |     <xsd:element name="root" msdata:IsDataSet="true">
 64 |       <xsd:complexType>
 65 |         <xsd:choice maxOccurs="unbounded">
 66 |           <xsd:element name="metadata">
 67 |             <xsd:complexType>
 68 |               <xsd:sequence>
 69 |                 <xsd:element name="value" type="xsd:string" minOccurs="0" />
 70 |               </xsd:sequence>
 71 |               <xsd:attribute name="name" type="xsd:string" />
 72 |               <xsd:attribute name="type" type="xsd:string" />
 73 |               <xsd:attribute name="mimetype" type="xsd:string" />
 74 |             </xsd:complexType>
 75 |           </xsd:element>
 76 |           <xsd:element name="assembly">
 77 |             <xsd:complexType>
 78 |               <xsd:attribute name="alias" type="xsd:string" />
 79 |               <xsd:attribute name="name" type="xsd:string" />
 80 |             </xsd:complexType>
 81 |           </xsd:element>
 82 |           <xsd:element name="data">
 83 |             <xsd:complexType>
 84 |               <xsd:sequence>
 85 |                 <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
 86 |                 <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
 87 |               </xsd:sequence>
 88 |               <xsd:attribute name="name" type="xsd:string" msdata:Ordinal="1" />
 89 |               <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
 90 |               <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
 91 |             </xsd:complexType>
 92 |           </xsd:element>
 93 |           <xsd:element name="resheader">
 94 |             <xsd:complexType>
 95 |               <xsd:sequence>
 96 |                 <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
 97 |               </xsd:sequence>
 98 |               <xsd:attribute name="name" type="xsd:string" use="required" />
 99 |             </xsd:complexType>
100 |           </xsd:element>
101 |         </xsd:choice>
102 |       </xsd:complexType>
103 |     </xsd:element>
104 |   </xsd:schema>
105 |   <resheader name="resmimetype">
106 |     <value>text/microsoft-resx</value>
107 |   </resheader>
108 |   <resheader name="version">
109 |     <value>2.0</value>
110 |   </resheader>
111 |   <resheader name="reader">
112 |     <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
113 |   </resheader>
114 |   <resheader name="writer">
115 |     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
116 |   </resheader>
117 | </root>


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/Properties/Settings.Designer.cs:
--------------------------------------------------------------------------------
 1 | //------------------------------------------------------------------------------
 2 | // <auto-generated>
 3 | //     This code was generated by a tool.
 4 | //     Runtime Version:4.0.30319.18051
 5 | //
 6 | //     Changes to this file may cause incorrect behavior and will be lost if
 7 | //     the code is regenerated.
 8 | // </auto-generated>
 9 | //------------------------------------------------------------------------------
10 | 
11 | namespace BorderlessForm.Properties {
12 |     
13 |     
14 |     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
15 |     [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "11.0.0.0")]
16 |     internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase {
17 |         
18 |         private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings())));
19 |         
20 |         public static Settings Default {
21 |             get {
22 |                 return defaultInstance;
23 |             }
24 |         }
25 |     }
26 | }
27 | 


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/Properties/Settings.settings:
--------------------------------------------------------------------------------
1 | <?xml version='1.0' encoding='utf-8'?>
2 | <SettingsFile xmlns="http://schemas.microsoft.com/VisualStudio/2004/01/settings" CurrentProfile="(Default)">
3 |   <Profiles>
4 |     <Profile Name="(Default)" />
5 |   </Profiles>
6 |   <Settings />
7 | </SettingsFile>
8 | 


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/README.md:
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 1 | # BorderlessForm
 2 | 
 3 | Implements a borderless window using Windows Forms that uses normal controls to preserve the functionality of sizable windows such as:
 4 | 
 5 | - Move by dragging the title bar
 6 | - Size by dragging the borders and corners
 7 | - Maximize, minimize, and close buttons
 8 | - System menu
 9 | - Double click title bar to maximize
10 | - Aero snap
11 | 
12 | The window decoration controls in the example are simple labels and can be changed to provide a custom look.
13 | 
14 | Example screenshot:
15 | 
16 | ![Example](screenshot.png "Example screenshot")
17 | 
18 | Unsupported:
19 | 
20 | - Border shadow ("glow"). Office 2013 and Visual Studio 2013 implement this using [4 additional top level windows](http://stackoverflow.com/a/15303486) that keep in sync with the main window's size and position. 
21 | 
22 | 


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/screenshot.png:
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https://raw.githubusercontent.com/mganss/BorderlessForm/6f145e364f059b8e1b65a20dbf325d96e590d405/screenshot.png


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