├── .gitignore ├── LICENSE ├── README.md └── src ├── BaseHookListener.cs ├── Controls ├── HookType.cs └── MouseKeyEventProvider.cs ├── KeyEventArgsExt.cs ├── KeyPressEventArgsExt.cs ├── KeyboardHookListener.cs ├── MouseEventExtArgs.cs ├── MouseHookListener.cs ├── MouseKeyboardActivityMonitor.csproj ├── MouseKeyboardActivityMonitor.sln └── WinApi ├── AppHooker.cs ├── GlobalHooker.cs ├── HookCallback.cs ├── Hooker.cs ├── Keyboard.cs ├── KeyboardHookStruct.cs ├── Messages.cs ├── Mouse.cs ├── MouseStructures.cs └── Point.cs /.gitignore: -------------------------------------------------------------------------------- 1 | ## Ignore Visual Studio temporary files, build results, and 2 | ## files generated by popular Visual Studio add-ons. 3 | ## 4 | ## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore 5 | 6 | # User-specific files 7 | *.rsuser 8 | *.suo 9 | *.user 10 | *.userosscache 11 | *.sln.docstates 12 | 13 | # User-specific files (MonoDevelop/Xamarin Studio) 14 | *.userprefs 15 | 16 | # Mono auto generated files 17 | mono_crash.* 18 | 19 | # Build results 20 | [Dd]ebug/ 21 | [Dd]ebugPublic/ 22 | [Rr]elease/ 23 | [Rr]eleases/ 24 | x64/ 25 | x86/ 26 | [Aa][Rr][Mm]/ 27 | [Aa][Rr][Mm]64/ 28 | bld/ 29 | [Bb]in/ 30 | [Oo]bj/ 31 | [Ll]og/ 32 | [Ll]ogs/ 33 | 34 | # Visual Studio 2015/2017 cache/options directory 35 | .vs/ 36 | # Uncomment if you have tasks that create the project's static files in wwwroot 37 | #wwwroot/ 38 | 39 | # Visual Studio 2017 auto generated files 40 | Generated\ Files/ 41 | 42 | # MSTest test Results 43 | [Tt]est[Rr]esult*/ 44 | [Bb]uild[Ll]og.* 45 | 46 | # NUnit 47 | *.VisualState.xml 48 | TestResult.xml 49 | nunit-*.xml 50 | 51 | # Build Results of an ATL Project 52 | [Dd]ebugPS/ 53 | [Rr]eleasePS/ 54 | dlldata.c 55 | 56 | # Benchmark Results 57 | BenchmarkDotNet.Artifacts/ 58 | 59 | # .NET Core 60 | project.lock.json 61 | project.fragment.lock.json 62 | artifacts/ 63 | 64 | # StyleCop 65 | StyleCopReport.xml 66 | 67 | # Files built by Visual Studio 68 | *_i.c 69 | *_p.c 70 | *_h.h 71 | *.ilk 72 | *.meta 73 | *.obj 74 | *.iobj 75 | *.pch 76 | *.pdb 77 | *.ipdb 78 | *.pgc 79 | *.pgd 80 | *.rsp 81 | *.sbr 82 | *.tlb 83 | *.tli 84 | *.tlh 85 | *.tmp 86 | *.tmp_proj 87 | *_wpftmp.csproj 88 | *.log 89 | *.vspscc 90 | *.vssscc 91 | .builds 92 | *.pidb 93 | *.svclog 94 | *.scc 95 | 96 | # Chutzpah Test files 97 | _Chutzpah* 98 | 99 | # Visual C++ cache files 100 | ipch/ 101 | *.aps 102 | *.ncb 103 | *.opendb 104 | *.opensdf 105 | *.sdf 106 | *.cachefile 107 | *.VC.db 108 | *.VC.VC.opendb 109 | 110 | # Visual Studio profiler 111 | *.psess 112 | *.vsp 113 | *.vspx 114 | *.sap 115 | 116 | # Visual Studio Trace Files 117 | *.e2e 118 | 119 | # TFS 2012 Local Workspace 120 | $tf/ 121 | 122 | # Guidance Automation Toolkit 123 | *.gpState 124 | 125 | # ReSharper is a .NET coding add-in 126 | _ReSharper*/ 127 | *.[Rr]e[Ss]harper 128 | *.DotSettings.user 129 | 130 | # TeamCity is a build add-in 131 | _TeamCity* 132 | 133 | # DotCover is a Code Coverage Tool 134 | *.dotCover 135 | 136 | # AxoCover is a Code Coverage Tool 137 | .axoCover/* 138 | !.axoCover/settings.json 139 | 140 | # Visual Studio code coverage results 141 | *.coverage 142 | *.coveragexml 143 | 144 | # NCrunch 145 | _NCrunch_* 146 | .*crunch*.local.xml 147 | nCrunchTemp_* 148 | 149 | # MightyMoose 150 | *.mm.* 151 | AutoTest.Net/ 152 | 153 | # Web workbench (sass) 154 | .sass-cache/ 155 | 156 | # Installshield output folder 157 | [Ee]xpress/ 158 | 159 | # DocProject is a documentation generator add-in 160 | DocProject/buildhelp/ 161 | DocProject/Help/*.HxT 162 | DocProject/Help/*.HxC 163 | DocProject/Help/*.hhc 164 | DocProject/Help/*.hhk 165 | DocProject/Help/*.hhp 166 | DocProject/Help/Html2 167 | DocProject/Help/html 168 | 169 | # Click-Once directory 170 | publish/ 171 | 172 | # Publish Web Output 173 | *.[Pp]ublish.xml 174 | *.azurePubxml 175 | # Note: Comment the next line if you want to checkin your web deploy settings, 176 | # but database connection strings (with potential passwords) will be unencrypted 177 | *.pubxml 178 | *.publishproj 179 | 180 | # Microsoft Azure Web App publish settings. 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It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | 635 | Copyright (C) 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | Copyright (C) 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Mouse and Keyboard activity monitor 2 | 3 | This library attaches to windows global hooks, tracks keyboard and mouse clicks and movement and raises common .NET events with KeyEventArgs and MouseEventArgs. 4 | 5 | ```csharp 6 | private readonly KeyboardHookListener _inputListener; 7 | private readonly KeyboardHookListener _globalKeyboardListener; 8 | 9 | public void Subscribe() 10 | { 11 | // for the application hook 12 | _inputListener = new KeyboardHookListener(new AppHooker()); 13 | _inputListener.KeyDown += OnKeyDown; 14 | _inputListener.Start(); 15 | 16 | // for the global hook 17 | _globalKeyboardListener = new KeyboardHookListener(new GlobalHooker()); 18 | _globalKeyboardListener.KeyDown += OnGlobalKeyDown; 19 | _globalKeyboardListener.Start(); 20 | } 21 | 22 | private void OnKeyDown(object sender, KeyEventArgs e) 23 | { 24 | if (e.KeyCode == Keys.Menu || e.KeyCode == Keys.Alt || e.Alt) 25 | e.Handled = true; 26 | 27 | else if (e.Control == false && e.Shift == false) 28 | { 29 | switch (e.KeyCode) 30 | { 31 | case Keys.F11: 32 | ViewModel?.FullscreenCommand?.Execute(null); 33 | break; 34 | case Keys.Escape: 35 | ViewModel?.NormalScreenCommand?.Execute(null); 36 | break; 37 | } 38 | } 39 | } 40 | 41 | private void OnGlobalKeyDown(object sender, KeyEventArgs e) 42 | { 43 | if (e.KeyData == Keys.PrintScreen) 44 | { 45 | // do something... 46 | } 47 | } 48 | 49 | public void Unsubscribe() 50 | { 51 | _inputListener.KeyDown -= OnKeyDown; 52 | _globalKeyboardListener.KeyDown -= OnGlobalKeyDown; 53 | 54 | //It is recommened to dispose it 55 | _inputListener.Dispose(); 56 | _globalKeyboardListener.Dispose(); 57 | } 58 | ``` -------------------------------------------------------------------------------- /src/BaseHookListener.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using MouseKeyboardActivityMonitor.WinApi; 3 | 4 | namespace MouseKeyboardActivityMonitor 5 | { 6 | /// 7 | /// Base class used to implement mouse or keybord hook listeners. 8 | /// It provides base methods to subscribe and unsubscribe to hooks. 9 | /// Common processing, error handling and cleanup logic. 10 | /// 11 | public abstract class BaseHookListener : IDisposable 12 | { 13 | private Hooker m_Hooker; 14 | 15 | /// 16 | /// Base constructor of 17 | /// 18 | /// Depending on this parameter the listener hooks either application or global keyboard events. 19 | /// 20 | /// Hooks are not active after instantiation. You need to use either property or call method. 21 | /// 22 | protected BaseHookListener(Hooker hooker) 23 | { 24 | if (hooker == null) 25 | { 26 | throw new ArgumentNullException("hooker"); 27 | } 28 | m_Hooker = hooker; 29 | } 30 | 31 | /// 32 | /// Stores the handle to the Keyboard or Mouse hook procedure. 33 | /// 34 | protected int HookHandle { get; set; } 35 | 36 | /// 37 | /// Keeps the reference to prevent garbage collection of delegate. See: CallbackOnCollectedDelegate http://msdn.microsoft.com/en-us/library/43yky316(v=VS.100).aspx 38 | /// 39 | protected HookCallback HookCallbackReferenceKeeper { get; set; } 40 | 41 | internal bool IsGlobal => m_Hooker.IsGlobal; 42 | 43 | /// 44 | /// Override this method to modify logic of firing events. 45 | /// 46 | protected abstract bool ProcessCallback(int wParam, IntPtr lParam); 47 | 48 | /// 49 | /// A callback function which will be called every time a keyboard or mouse activity detected. 50 | /// 51 | /// 52 | protected int HookCallback(int nCode, int wParam, IntPtr lParam) 53 | { 54 | if (nCode == 0) 55 | { 56 | var shouldProcess = ProcessCallback(wParam, lParam); 57 | 58 | if (!shouldProcess) 59 | { 60 | return -1; 61 | } 62 | } 63 | 64 | return CallNextHook(nCode, wParam, lParam); 65 | } 66 | 67 | private int CallNextHook(int nCode, int wParam, IntPtr lParam) 68 | { 69 | return Hooker.CallNextHookEx(HookHandle, nCode, wParam, lParam); 70 | } 71 | 72 | /// 73 | /// Subscribes to the hook and starts firing events. 74 | /// 75 | /// 76 | public void Start() 77 | { 78 | if (Enabled) 79 | { 80 | throw new InvalidOperationException("Hook listener is already started. Call Stop() method first or use Enabled property."); 81 | } 82 | 83 | HookCallbackReferenceKeeper = new HookCallback(HookCallback); 84 | try 85 | { 86 | HookHandle = m_Hooker.Subscribe(GetHookId(), HookCallbackReferenceKeeper); 87 | } 88 | catch(Exception) 89 | { 90 | HookCallbackReferenceKeeper = null; 91 | HookHandle = 0; 92 | throw; 93 | } 94 | } 95 | 96 | /// 97 | /// Unsubscribes from the hook and stops firing events. 98 | /// 99 | /// 100 | public void Stop() 101 | { 102 | try 103 | { 104 | m_Hooker.Unsubscribe(HookHandle); 105 | } 106 | finally 107 | { 108 | HookCallbackReferenceKeeper = null; 109 | HookHandle = 0; 110 | } 111 | } 112 | 113 | /// 114 | /// Enables you to switch from application hooks to global hooks and vice versa on the fly 115 | /// without unsubscribing from events. Component remains enabled or disabled state after this call as it was before. 116 | /// 117 | /// An AppHooker or GlobalHooker object. 118 | public void Replace(Hooker hooker) 119 | { 120 | var rememberEnabled = Enabled; 121 | Enabled = false; 122 | m_Hooker = hooker; 123 | Enabled = rememberEnabled; 124 | } 125 | 126 | /// 127 | /// Override to deliver correct id to be used for call. 128 | /// 129 | /// 130 | protected abstract int GetHookId(); 131 | 132 | /// 133 | /// Gets or Sets the enabled status of the Hook. 134 | /// 135 | /// 136 | /// True - The Hook is presently installed, activated, and will fire events. 137 | /// 138 | /// False - The Hook is not part of the hook chain, and will not fire events. 139 | /// 140 | /// 141 | public bool Enabled 142 | { 143 | get => HookHandle != 0; 144 | set 145 | { 146 | var mustEnable = value; 147 | if (mustEnable) 148 | { 149 | if (!Enabled) 150 | { 151 | Start(); 152 | } 153 | } 154 | else 155 | { 156 | if (Enabled) 157 | { 158 | Stop(); 159 | } 160 | } 161 | } 162 | } 163 | 164 | /// 165 | /// Release delegates, unsubscribes from hooks. 166 | /// 167 | /// 2 168 | public virtual void Dispose() 169 | { 170 | Stop(); 171 | } 172 | 173 | /// 174 | /// Unsubscribes from global hooks skiping error handling. 175 | /// 176 | ~BaseHookListener() 177 | { 178 | if (HookHandle != 0) 179 | { 180 | Hooker.UnhookWindowsHookEx(HookHandle); 181 | } 182 | } 183 | } 184 | } -------------------------------------------------------------------------------- /src/Controls/HookType.cs: -------------------------------------------------------------------------------- 1 | namespace MouseKeyboardActivityMonitor.Controls 2 | { 3 | /// 4 | /// Indicates which hooks to listen to application or global. 5 | /// 6 | public enum HookType 7 | { 8 | /// 9 | /// Only events inside the application are monitored and fired. 10 | /// 11 | Application, 12 | 13 | /// 14 | /// All events system wide are monitored and fired. 15 | /// 16 | Global 17 | } 18 | } 19 | -------------------------------------------------------------------------------- /src/Controls/MouseKeyEventProvider.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.ComponentModel; 3 | using System.Windows.Forms; 4 | using MouseKeyboardActivityMonitor.WinApi; 5 | 6 | namespace MouseKeyboardActivityMonitor.Controls 7 | { 8 | /// 9 | /// This component monitors Application or Global input, depending on 10 | /// and provides appropriate 11 | /// events. 12 | /// 13 | public class MouseKeyEventProvider : Component 14 | { 15 | private readonly KeyboardHookListener m_KeyboardHookManager; 16 | private readonly MouseHookListener m_MouseHookManager; 17 | 18 | /// 19 | /// Initializes a new instance of 20 | /// 21 | public MouseKeyEventProvider() 22 | { 23 | m_KeyboardHookManager = new KeyboardHookListener(new GlobalHooker()); 24 | m_MouseHookManager = new MouseHookListener(new GlobalHooker()); 25 | } 26 | 27 | /// 28 | /// Gets or Sets the enabled status of the component. 29 | /// 30 | /// 31 | /// True - The component is presently activated and will fire events. 32 | /// 33 | /// False - The component is not active and will not fire events. 34 | /// 35 | /// 36 | public bool Enabled 37 | { 38 | get => 39 | DesignMode 40 | ? DesignTimeEnabled 41 | : RunTimeEnabled; 42 | set 43 | { 44 | if (DesignMode) 45 | { 46 | DesignTimeEnabled = value; 47 | } 48 | else 49 | { 50 | RunTimeEnabled = value; 51 | } 52 | } 53 | } 54 | 55 | private bool DesignTimeEnabled 56 | { 57 | get; set; 58 | } 59 | 60 | private bool RunTimeEnabled 61 | { 62 | get => m_MouseHookManager.Enabled && m_KeyboardHookManager.Enabled; 63 | set 64 | { 65 | m_MouseHookManager.Enabled = value; 66 | m_KeyboardHookManager.Enabled = value; 67 | } 68 | } 69 | 70 | 71 | /// 72 | /// Indicates which hooks to listen to application or global. 73 | /// 74 | public HookType HookType 75 | { 76 | get => 77 | m_MouseHookManager.IsGlobal 78 | ? HookType.Global 79 | : HookType.Application; 80 | set 81 | { 82 | Hooker hooker; 83 | switch (value) 84 | { 85 | case HookType.Global: 86 | hooker = new GlobalHooker(); 87 | break; 88 | 89 | case HookType.Application: 90 | hooker = new AppHooker(); 91 | break; 92 | 93 | default: 94 | return; 95 | } 96 | 97 | m_MouseHookManager.Replace(hooker); 98 | m_KeyboardHookManager.Replace(hooker); 99 | } 100 | } 101 | 102 | /// 103 | /// This component raises events. The value is always true. 104 | /// 105 | protected override bool CanRaiseEvents => true; 106 | 107 | /// 108 | /// 109 | /// 110 | /// 111 | /// 112 | /// 113 | /// Modified from http://stackoverflow.com/questions/1698889/raise-events-in-net-on-the-main-ui-thread 114 | /// 115 | private void RaiseEventOnUIThread(Delegate inputEvent, EventArgs e) 116 | { 117 | object sender = this; 118 | foreach (var d in inputEvent.GetInvocationList()) 119 | { 120 | if (!(d.Target is ISynchronizeInvoke syncer)) 121 | { 122 | d.DynamicInvoke(new[] { sender, e }); 123 | } 124 | else 125 | { 126 | // I don't know if ASyncronous is really the way to go. 127 | // If the programmer wants to suppress input, 128 | // will asyncronous make that happen consistently? 129 | 130 | //syncer.EndInvoke(syncer.BeginInvoke(inputEvent, new[] { sender, e })); 131 | syncer.Invoke(inputEvent, new[] { sender, e }); 132 | } 133 | } 134 | } 135 | 136 | //################################################################ 137 | #region Mouse events 138 | 139 | private event MouseEventHandler m_MouseMove; 140 | /// 141 | /// Activated when the user moves the mouse. 142 | /// 143 | public event MouseEventHandler MouseMove 144 | { 145 | add 146 | { 147 | if (m_MouseMove == null) 148 | { 149 | m_MouseHookManager.MouseMove += HookManager_MouseMove; 150 | } 151 | m_MouseMove += value; 152 | } 153 | 154 | remove 155 | { 156 | m_MouseMove -= value; 157 | if (m_MouseMove == null) 158 | { 159 | m_MouseHookManager.MouseMove -= HookManager_MouseMove; 160 | } 161 | } 162 | } 163 | 164 | void HookManager_MouseMove(object sender, MouseEventArgs e) 165 | { 166 | if (m_MouseMove != null) 167 | { 168 | RaiseEventOnUIThread(m_MouseMove, e); 169 | } 170 | } 171 | 172 | private event MouseEventHandler m_MouseClick; 173 | /// 174 | /// Activated upon a single click of the mouse. 175 | /// 176 | public event MouseEventHandler MouseClick 177 | { 178 | add 179 | { 180 | if (m_MouseClick == null) 181 | { 182 | m_MouseHookManager.MouseClick += HookManager_MouseClick; 183 | } 184 | m_MouseClick += value; 185 | } 186 | 187 | remove 188 | { 189 | m_MouseClick -= value; 190 | if (m_MouseClick == null) 191 | { 192 | m_MouseHookManager.MouseClick -= HookManager_MouseClick; 193 | } 194 | } 195 | } 196 | 197 | void HookManager_MouseClick(object sender, MouseEventArgs e) 198 | { 199 | if (m_MouseClick != null) 200 | { 201 | RaiseEventOnUIThread(m_MouseClick, e); 202 | } 203 | } 204 | 205 | private event MouseEventHandler m_MouseDown; 206 | 207 | /// 208 | /// Activated when the user presses a mouse button. 209 | /// 210 | public event MouseEventHandler MouseDown 211 | { 212 | add 213 | { 214 | if (m_MouseDown == null) 215 | { 216 | m_MouseHookManager.MouseDown += HookManager_MouseDown; 217 | } 218 | m_MouseDown += value; 219 | } 220 | 221 | remove 222 | { 223 | m_MouseDown -= value; 224 | if (m_MouseDown == null) 225 | { 226 | m_MouseHookManager.MouseDown -= HookManager_MouseDown; 227 | } 228 | } 229 | } 230 | 231 | void HookManager_MouseDown(object sender, MouseEventArgs e) 232 | { 233 | if (m_MouseDown != null) 234 | { 235 | RaiseEventOnUIThread(m_MouseDown, e); 236 | } 237 | } 238 | 239 | 240 | private event MouseEventHandler m_MouseUp; 241 | 242 | /// 243 | /// Activated when the user releases a mouse button. 244 | /// 245 | public event MouseEventHandler MouseUp 246 | { 247 | add 248 | { 249 | if (m_MouseUp == null) 250 | { 251 | m_MouseHookManager.MouseUp += HookManager_MouseUp; 252 | } 253 | m_MouseUp += value; 254 | } 255 | 256 | remove 257 | { 258 | m_MouseUp -= value; 259 | if (m_MouseUp == null) 260 | { 261 | m_MouseHookManager.MouseUp -= HookManager_MouseUp; 262 | } 263 | } 264 | } 265 | 266 | void HookManager_MouseUp(object sender, MouseEventArgs e) 267 | { 268 | if (m_MouseUp != null) 269 | { 270 | RaiseEventOnUIThread(m_MouseUp, e); 271 | } 272 | } 273 | 274 | private event MouseEventHandler m_MouseDoubleClick; 275 | 276 | /// 277 | /// Activated when the user double-clicks with the mouse. 278 | /// 279 | public event MouseEventHandler MouseDoubleClick 280 | { 281 | add 282 | { 283 | if (m_MouseDoubleClick == null) 284 | { 285 | m_MouseHookManager.MouseDoubleClick += HookManager_MouseDoubleClick; 286 | } 287 | m_MouseDoubleClick += value; 288 | } 289 | 290 | remove 291 | { 292 | m_MouseDoubleClick -= value; 293 | if (m_MouseDoubleClick == null) 294 | { 295 | m_MouseHookManager.MouseDoubleClick -= HookManager_MouseDoubleClick; 296 | } 297 | } 298 | } 299 | 300 | void HookManager_MouseDoubleClick(object sender, MouseEventArgs e) 301 | { 302 | if (m_MouseDoubleClick != null) 303 | { 304 | RaiseEventOnUIThread(m_MouseDoubleClick, e); 305 | } 306 | } 307 | 308 | 309 | private event EventHandler m_MouseMoveExt; 310 | 311 | /// 312 | /// Activated when the user moves the mouse. 313 | /// 314 | /// 315 | /// This event provides extended arguments of type enabling you to 316 | /// supress further processing of mouse movement in other applications. 317 | /// 318 | public event EventHandler MouseMoveExt 319 | { 320 | add 321 | { 322 | if (m_MouseMoveExt == null) 323 | { 324 | m_MouseHookManager.MouseMoveExt += HookManager_MouseMoveExt; 325 | } 326 | m_MouseMoveExt += value; 327 | } 328 | 329 | remove 330 | { 331 | m_MouseMoveExt -= value; 332 | if (m_MouseMoveExt == null) 333 | { 334 | m_MouseHookManager.MouseMoveExt -= HookManager_MouseMoveExt; 335 | } 336 | } 337 | } 338 | 339 | void HookManager_MouseMoveExt(object sender, MouseEventExtArgs e) 340 | { 341 | if (m_MouseMoveExt != null) 342 | { 343 | RaiseEventOnUIThread(m_MouseMoveExt, e); 344 | } 345 | } 346 | 347 | private event EventHandler m_MouseClickExt; 348 | /// 349 | /// Activated upon a single click of the mouse. 350 | /// 351 | /// 352 | /// This event provides extended arguments of type enabling you to 353 | /// supress further processing of mouse click in other applications. 354 | /// 355 | public event EventHandler MouseClickExt 356 | { 357 | add 358 | { 359 | // Disable warning that MouseClickExt is obsolete 360 | #pragma warning disable 618 361 | if (m_MouseClickExt == null) 362 | { 363 | m_MouseHookManager.MouseClickExt += HookManager_MouseClickExt; 364 | } 365 | m_MouseClickExt += value; 366 | } 367 | 368 | remove 369 | { 370 | m_MouseClickExt -= value; 371 | if (m_MouseClickExt == null) 372 | { 373 | m_MouseHookManager.MouseClickExt -= HookManager_MouseClickExt; 374 | } 375 | #pragma warning restore 618 376 | } 377 | } 378 | 379 | void HookManager_MouseClickExt(object sender, MouseEventExtArgs e) 380 | { 381 | if (m_MouseClickExt != null) 382 | { 383 | RaiseEventOnUIThread(m_MouseClickExt, e); 384 | } 385 | } 386 | 387 | private event EventHandler m_MouseDownExt; 388 | 389 | /// 390 | /// Activated when the user presses a mouse button. 391 | /// 392 | /// 393 | /// This event provides extended arguments of type enabling you to 394 | /// supress further processing of mouse down in other applications. 395 | /// 396 | public event EventHandler MouseDownExt 397 | { 398 | add 399 | { 400 | if (m_MouseDownExt == null) 401 | { 402 | m_MouseHookManager.MouseDownExt += HookManager_MouseDownExt; 403 | } 404 | m_MouseDownExt += value; 405 | } 406 | 407 | remove 408 | { 409 | m_MouseDownExt -= value; 410 | if (m_MouseDownExt == null) 411 | { 412 | m_MouseHookManager.MouseDownExt -= HookManager_MouseDownExt; 413 | } 414 | } 415 | } 416 | 417 | void HookManager_MouseDownExt(object sender, MouseEventExtArgs e) 418 | { 419 | if (m_MouseDownExt != null) 420 | { 421 | RaiseEventOnUIThread(m_MouseDownExt, e); 422 | } 423 | } 424 | 425 | private event EventHandler m_MouseWheel; 426 | /// 427 | /// Activated upon mouse scrolling. 428 | /// 429 | public event EventHandler MouseWheel 430 | { 431 | add 432 | { 433 | if (m_MouseWheel == null) 434 | { 435 | m_MouseHookManager.MouseWheel += HookManager_MouseWheel; 436 | } 437 | m_MouseWheel += value; 438 | } 439 | 440 | remove 441 | { 442 | m_MouseWheel -= value; 443 | if (m_MouseWheel == null) 444 | { 445 | m_MouseHookManager.MouseWheel -= HookManager_MouseWheel; 446 | } 447 | } 448 | } 449 | 450 | void HookManager_MouseWheel(object sender, MouseEventArgs e) 451 | { 452 | if (m_MouseWheel != null) 453 | { 454 | RaiseEventOnUIThread(m_MouseWheel, e); 455 | } 456 | } 457 | 458 | 459 | #endregion 460 | 461 | //################################################################ 462 | #region Keyboard events 463 | 464 | private event KeyPressEventHandler m_KeyPress; 465 | 466 | /// 467 | /// Activated when the user presses a key. 468 | /// 469 | /// 470 | /// Key events occur in the following order: 471 | /// 472 | /// KeyDown 473 | /// KeyPress 474 | /// KeyUp 475 | /// 476 | ///The KeyPress event is not raised by noncharacter keys; however, the noncharacter keys do raise the KeyDown and KeyUp events. 477 | ///Use the KeyChar property to sample keystrokes at run time and to consume or modify a subset of common keystrokes. 478 | ///To handle keyboard events only in your application and not enable other applications to receive keyboard events, 479 | /// set the KeyPressEventArgs.Handled property in your form's KeyPress event-handling method to true. 480 | /// 481 | public event KeyPressEventHandler KeyPress 482 | { 483 | add 484 | { 485 | if (m_KeyPress == null) 486 | { 487 | m_KeyboardHookManager.KeyPress += HookManager_KeyPress; 488 | } 489 | m_KeyPress += value; 490 | } 491 | remove 492 | { 493 | m_KeyPress -= value; 494 | if (m_KeyPress == null) 495 | { 496 | m_KeyboardHookManager.KeyPress -= HookManager_KeyPress; 497 | } 498 | } 499 | } 500 | 501 | void HookManager_KeyPress(object sender, KeyPressEventArgs e) 502 | { 503 | if (m_KeyPress != null) 504 | { 505 | RaiseEventOnUIThread(m_KeyPress, e); 506 | } 507 | } 508 | 509 | private event KeyEventHandler m_KeyUp; 510 | 511 | /// 512 | /// Activated upon the release of a key. 513 | /// 514 | public event KeyEventHandler KeyUp 515 | { 516 | add 517 | { 518 | if (m_KeyUp == null) 519 | { 520 | m_KeyboardHookManager.KeyUp += HookManager_KeyUp; 521 | } 522 | m_KeyUp += value; 523 | } 524 | remove 525 | { 526 | m_KeyUp -= value; 527 | if (m_KeyUp == null) 528 | { 529 | m_KeyboardHookManager.KeyUp -= HookManager_KeyUp; 530 | } 531 | } 532 | } 533 | 534 | private void HookManager_KeyUp(object sender, KeyEventArgs e) 535 | { 536 | if (m_KeyUp != null) 537 | { 538 | RaiseEventOnUIThread(m_KeyUp, e); 539 | } 540 | } 541 | 542 | private event KeyEventHandler m_KeyDown; 543 | 544 | /// 545 | /// Activated when a key is pushed. 546 | /// 547 | public event KeyEventHandler KeyDown 548 | { 549 | add 550 | { 551 | if (m_KeyDown == null) 552 | { 553 | m_KeyboardHookManager.KeyDown += HookManager_KeyDown; 554 | } 555 | m_KeyDown += value; 556 | } 557 | remove 558 | { 559 | m_KeyDown -= value; 560 | if (m_KeyDown == null) 561 | { 562 | m_KeyboardHookManager.KeyDown -= HookManager_KeyDown; 563 | } 564 | } 565 | } 566 | 567 | private void HookManager_KeyDown(object sender, KeyEventArgs e) 568 | { 569 | RaiseEventOnUIThread(m_KeyDown, e); 570 | } 571 | 572 | #endregion 573 | 574 | 575 | } 576 | } 577 | -------------------------------------------------------------------------------- /src/KeyEventArgsExt.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Runtime.InteropServices; 3 | using System.Windows.Forms; 4 | using MouseKeyboardActivityMonitor.WinApi; 5 | 6 | namespace MouseKeyboardActivityMonitor 7 | { 8 | /// 9 | /// Provides extended argument data for the or event. 10 | /// 11 | public class KeyEventArgsExt : KeyEventArgs 12 | { 13 | /// 14 | /// Initializes a new instance of the class. 15 | /// 16 | /// 17 | public KeyEventArgsExt(Keys keyData) : base(keyData) 18 | { 19 | } 20 | 21 | internal KeyEventArgsExt(Keys keyData, int timestamp, bool isKeyDown, bool isKeyUp) 22 | : this(keyData) 23 | { 24 | Timestamp = timestamp; 25 | IsKeyDown = isKeyDown; 26 | IsKeyUp = isKeyUp; 27 | } 28 | 29 | /// 30 | /// Creates from Windows Message parameters. 31 | /// 32 | /// The first Windows Message parameter. 33 | /// The second Windows Message parameter. 34 | /// Specifies if the hook is local or global. 35 | /// A new KeyEventArgsExt object. 36 | internal static KeyEventArgsExt FromRawData(int wParam, IntPtr lParam, bool isGlobal) 37 | { 38 | return isGlobal ? 39 | FromRawDataGlobal(wParam, lParam) : 40 | FromRawDataApp(wParam, lParam); 41 | } 42 | 43 | /// 44 | /// Creates from Windows Message parameters, based upon 45 | /// a local application hook. 46 | /// 47 | /// The first Windows Message parameter. 48 | /// The second Windows Message parameter. 49 | /// A new KeyEventArgsExt object. 50 | private static KeyEventArgsExt FromRawDataApp(int wParam, IntPtr lParam) 51 | { 52 | //http://msdn.microsoft.com/en-us/library/ms644984(v=VS.85).aspx 53 | 54 | const uint maskKeydown = 0x40000000; // for bit 30 55 | const uint maskKeyup = 0x80000000; // for bit 31 56 | 57 | var timestamp = Environment.TickCount; 58 | 59 | var flags = 0u; 60 | #if IS_X64 61 | // both of these are ugly hacks. Is there a better way to convert a 64bit IntPtr to uint? 62 | 63 | // flags = uint.Parse(lParam.ToString()); 64 | flags = Convert.ToUInt32(lParam.ToInt64()); 65 | #else 66 | flags = (uint)lParam; 67 | #endif 68 | 69 | 70 | //bit 30 Specifies the previous key state. The value is 1 if the key is down before the message is sent; it is 0 if the key is up. 71 | var wasKeyDown = (flags & maskKeydown) > 0; 72 | //bit 31 Specifies the transition state. The value is 0 if the key is being pressed and 1 if it is being released. 73 | var isKeyReleased = (flags & maskKeyup) > 0; 74 | 75 | var keyData = (Keys)wParam; 76 | 77 | var isKeyDown = !wasKeyDown && !isKeyReleased; 78 | var isKeyUp = wasKeyDown && isKeyReleased; 79 | 80 | return new KeyEventArgsExt(keyData, timestamp, isKeyDown, isKeyUp); 81 | } 82 | 83 | /// 84 | /// Creates from Windows Message parameters, based upon 85 | /// a system-wide hook. 86 | /// 87 | /// The first Windows Message parameter. 88 | /// The second Windows Message parameter. 89 | /// A new KeyEventArgsExt object. 90 | private static KeyEventArgsExt FromRawDataGlobal(int wParam, IntPtr lParam) 91 | { 92 | var keyboardHookStruct = (KeyboardHookStruct)Marshal.PtrToStructure(lParam, typeof(KeyboardHookStruct)); 93 | var keyData = (Keys)keyboardHookStruct.VirtualKeyCode; 94 | var isKeyDown = (wParam == Messages.WM_KEYDOWN || wParam == Messages.WM_SYSKEYDOWN); 95 | var isKeyUp = (wParam == Messages.WM_KEYUP || wParam == Messages.WM_SYSKEYUP); 96 | 97 | return new KeyEventArgsExt(keyData, keyboardHookStruct.Time, isKeyDown, isKeyUp); 98 | } 99 | 100 | /// 101 | /// The system tick count of when the event occured. 102 | /// 103 | public int Timestamp { get; } 104 | 105 | /// 106 | /// True if event singnals key down.. 107 | /// 108 | public bool IsKeyDown { get; } 109 | 110 | /// 111 | /// True if event singnals key up. 112 | /// 113 | public bool IsKeyUp { get; } 114 | } 115 | } 116 | -------------------------------------------------------------------------------- /src/KeyPressEventArgsExt.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Runtime.InteropServices; 3 | using System.Windows.Forms; 4 | using MouseKeyboardActivityMonitor.WinApi; 5 | 6 | namespace MouseKeyboardActivityMonitor 7 | { 8 | /// 9 | /// Provides extended data for the event. 10 | /// 11 | public class KeyPressEventArgsExt : KeyPressEventArgs 12 | { 13 | /// 14 | /// Initializes a new instance of the class. 15 | /// 16 | /// Character corresponding to the key pressed. 0 char if represens a system or functional non char key. 17 | public KeyPressEventArgsExt(char keyChar) 18 | : base(keyChar) 19 | { 20 | IsNonChar = false; 21 | Timestamp = Environment.TickCount; 22 | } 23 | 24 | private static KeyPressEventArgsExt CreateNonChar() 25 | { 26 | var e = new KeyPressEventArgsExt((char)0x0); 27 | e.IsNonChar = true; 28 | e.Timestamp = Environment.TickCount; 29 | return e; 30 | } 31 | 32 | /// 33 | /// Creates from Windows Message parameters. 34 | /// 35 | /// The first Windows Message parameter. 36 | /// The second Windows Message parameter. 37 | /// Specifies if the hook is local or global. 38 | /// A new KeyPressEventArgsExt object. 39 | internal static KeyPressEventArgsExt FromRawData(int wParam, IntPtr lParam, bool isGlobal) 40 | { 41 | return isGlobal ? 42 | FromRawDataGlobal(wParam, lParam) : 43 | FromRawDataApp(wParam, lParam); 44 | } 45 | 46 | /// 47 | /// Creates from Windows Message parameters, 48 | /// based upon a local application hook. 49 | /// 50 | /// The first Windows Message parameter. 51 | /// The second Windows Message parameter. 52 | /// A new KeyPressEventArgsExt object. 53 | private static KeyPressEventArgsExt FromRawDataApp(int wParam, IntPtr lParam) 54 | { 55 | //http://msdn.microsoft.com/en-us/library/ms644984(v=VS.85).aspx 56 | 57 | const uint maskKeydown = 0x40000000; // for bit 30 58 | const uint maskKeyup = 0x80000000; // for bit 31 59 | const uint maskScanCode = 0xff0000; // for bit 23-16 60 | 61 | var flags = 0u; 62 | #if IS_X64 63 | // both of these are ugly hacks. Is there a better way to convert a 64bit IntPtr to uint? 64 | 65 | // flags = uint.Parse(lParam.ToString()); 66 | flags = Convert.ToUInt32(lParam.ToInt64()); 67 | #else 68 | flags = (uint)lParam; 69 | #endif 70 | 71 | //bit 30 Specifies the previous key state. The value is 1 if the key is down before the message is sent; it is 0 if the key is up. 72 | var wasKeyDown = (flags & maskKeydown) > 0; 73 | //bit 31 Specifies the transition state. The value is 0 if the key is being pressed and 1 if it is being released. 74 | var isKeyReleased = (flags & maskKeyup) > 0; 75 | 76 | if (!wasKeyDown && !isKeyReleased) 77 | { 78 | return CreateNonChar(); 79 | } 80 | 81 | var virtualKeyCode = wParam; 82 | var scanCode = checked((int)(flags & maskScanCode)); 83 | const int fuState = 0; 84 | 85 | char ch; 86 | var isSuccessfull = Keyboard.TryGetCharFromKeyboardState(virtualKeyCode, scanCode, fuState, out ch); 87 | if (!isSuccessfull) 88 | { 89 | return CreateNonChar(); 90 | } 91 | 92 | return new KeyPressEventArgsExt(ch); 93 | 94 | } 95 | 96 | /// 97 | /// Creates from Windows Message parameters, 98 | /// based upon a system-wide hook. 99 | /// 100 | /// The first Windows Message parameter. 101 | /// The second Windows Message parameter. 102 | /// A new KeyPressEventArgsExt object. 103 | internal static KeyPressEventArgsExt FromRawDataGlobal(int wParam, IntPtr lParam) 104 | { 105 | if (wParam != Messages.WM_KEYDOWN) 106 | { 107 | return CreateNonChar(); 108 | } 109 | 110 | var keyboardHookStruct = (KeyboardHookStruct)Marshal.PtrToStructure(lParam, typeof(KeyboardHookStruct)); 111 | 112 | var virtualKeyCode = keyboardHookStruct.VirtualKeyCode; 113 | var scanCode = keyboardHookStruct.ScanCode; 114 | var fuState = keyboardHookStruct.Flags; 115 | 116 | char ch; 117 | var isSuccessfull = Keyboard.TryGetCharFromKeyboardState(virtualKeyCode, scanCode, fuState, out ch); 118 | if (!isSuccessfull) 119 | { 120 | return CreateNonChar(); 121 | } 122 | 123 | var e = new KeyPressEventArgsExt(ch); 124 | e.Timestamp = keyboardHookStruct.Time; // Update the timestamp to use the actual one from KeyboardHookStruct 125 | 126 | return e; 127 | } 128 | 129 | /// 130 | /// True if represents a system or functional non char key. 131 | /// 132 | public bool IsNonChar { get; private set; } 133 | 134 | /// 135 | /// The system tick count of when the event occured. 136 | /// 137 | public int Timestamp { get; private set; } 138 | } 139 | } 140 | -------------------------------------------------------------------------------- /src/KeyboardHookListener.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Windows.Forms; 3 | using MouseKeyboardActivityMonitor.WinApi; 4 | 5 | namespace MouseKeyboardActivityMonitor 6 | { 7 | /// 8 | /// This class monitors all keyboard activities and provides appropriate events. 9 | /// 10 | public class KeyboardHookListener : BaseHookListener 11 | { 12 | /// 13 | /// Initializes a new instance of . 14 | /// 15 | /// Depending on this parameter the listener hooks either application or global keyboard events. 16 | /// Hooks are not active after instantiation. You need to use either property or call method. 17 | public KeyboardHookListener(Hooker hooker) 18 | : base(hooker) 19 | { 20 | } 21 | 22 | /// 23 | /// This method processes the data from the hook and initiates event firing. 24 | /// 25 | /// The first Windows Messages parameter. 26 | /// The second Windows Messages parameter. 27 | /// 28 | /// True - The hook will be passed along to other applications. 29 | /// 30 | /// False - The hook will not be given to other applications, effectively blocking input. 31 | /// 32 | /// 33 | protected override bool ProcessCallback(int wParam, IntPtr lParam) 34 | { 35 | var e = KeyEventArgsExt.FromRawData(wParam, lParam, IsGlobal); 36 | 37 | InvokeKeyDown(e); 38 | InvokeKeyPress(wParam, lParam); 39 | InvokeKeyUp(e); 40 | 41 | return !e.Handled; 42 | } 43 | 44 | /// 45 | /// Returns the correct hook id to be used for call. 46 | /// 47 | /// WH_KEYBOARD (0x02) or WH_KEYBOARD_LL (0x13) constant. 48 | protected override int GetHookId() 49 | { 50 | return IsGlobal ? 51 | GlobalHooker.WH_KEYBOARD_LL : 52 | AppHooker.WH_KEYBOARD; 53 | } 54 | 55 | /// 56 | /// Occurs when a key is preseed. 57 | /// 58 | public event KeyEventHandler KeyDown; 59 | 60 | private void InvokeKeyDown(KeyEventArgsExt e) 61 | { 62 | var handler = KeyDown; 63 | if (handler == null || e.Handled || !e.IsKeyDown) { return; } 64 | handler(this, e); 65 | } 66 | 67 | /// 68 | /// Occurs when a key is pressed. 69 | /// 70 | /// 71 | /// Key events occur in the following order: 72 | /// 73 | /// KeyDown 74 | /// KeyPress 75 | /// KeyUp 76 | /// 77 | ///The KeyPress event is not raised by noncharacter keys; however, the noncharacter keys do raise the KeyDown and KeyUp events. 78 | ///Use the KeyChar property to sample keystrokes at run time and to consume or modify a subset of common keystrokes. 79 | ///To handle keyboard events only in your application and not enable other applications to receive keyboard events, 80 | ///set the property in your form's KeyPress event-handling method to true. 81 | /// 82 | public event KeyPressEventHandler KeyPress; 83 | 84 | private void InvokeKeyPress(int wParam, IntPtr lParam) 85 | { 86 | InvokeKeyPress(KeyPressEventArgsExt.FromRawData(wParam, lParam, IsGlobal)); 87 | } 88 | 89 | private void InvokeKeyPress(KeyPressEventArgsExt e) 90 | { 91 | var handler = KeyPress; 92 | if (handler == null || e.Handled || e.IsNonChar) { return; } 93 | handler(this, e); 94 | } 95 | 96 | /// 97 | /// Occurs when a key is released. 98 | /// 99 | public event KeyEventHandler KeyUp; 100 | 101 | private void InvokeKeyUp(KeyEventArgsExt e) 102 | { 103 | var handler = KeyUp; 104 | if (handler == null || e.Handled || !e.IsKeyUp) { return; } 105 | handler(this, e); 106 | } 107 | 108 | /// 109 | /// Release delegates, unsubscribes from hooks. 110 | /// 111 | /// 2 112 | public override void Dispose() 113 | { 114 | KeyPress = null; 115 | KeyDown = null; 116 | KeyUp = null; 117 | 118 | base.Dispose(); 119 | } 120 | } 121 | } -------------------------------------------------------------------------------- /src/MouseEventExtArgs.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Runtime.InteropServices; 3 | using System.Windows.Forms; 4 | using MouseKeyboardActivityMonitor.WinApi; 5 | 6 | namespace MouseKeyboardActivityMonitor 7 | { 8 | /// 9 | /// Provides extended data for the MouseClickExt and MouseMoveExt events. 10 | /// 11 | public class MouseEventExtArgs : MouseEventArgs 12 | { 13 | /// 14 | /// Creates from Windows Message parameters. 15 | /// 16 | /// The first Windows Message parameter. 17 | /// The second Windows Message parameter. 18 | /// Specifies if the hook is local or global. 19 | /// A new MouseEventExtArgs object. 20 | internal static MouseEventExtArgs FromRawData(int wParam, IntPtr lParam, bool isGlobal) 21 | { 22 | return isGlobal ? 23 | FromRawDataGlobal(wParam, lParam) : 24 | FromRawDataApp(wParam, lParam); 25 | } 26 | 27 | /// 28 | /// Creates from Windows Message parameters, 29 | /// based upon a local application hook. 30 | /// 31 | /// The first Windows Message parameter. 32 | /// The second Windows Message parameter. 33 | /// A new MouseEventExtArgs object. 34 | private static MouseEventExtArgs FromRawDataApp(int wParam, IntPtr lParam) 35 | { 36 | var marshalledMouseStruct = (AppMouseStruct)Marshal.PtrToStructure(lParam, typeof(AppMouseStruct)); 37 | return FromRawDataUniversal(wParam, marshalledMouseStruct.ToMouseStruct()); 38 | } 39 | 40 | /// 41 | /// Creates from Windows Message parameters, 42 | /// based upon a system-wide global hook. 43 | /// 44 | /// The first Windows Message parameter. 45 | /// The second Windows Message parameter. 46 | /// A new MouseEventExtArgs object. 47 | internal static MouseEventExtArgs FromRawDataGlobal(int wParam, IntPtr lParam) 48 | { 49 | var marshalledMouseStruct = (MouseStruct)Marshal.PtrToStructure(lParam, typeof(MouseStruct)); 50 | return FromRawDataUniversal(wParam, marshalledMouseStruct); 51 | } 52 | 53 | /// 54 | /// Creates from relevant mouse data. 55 | /// 56 | /// First Windows Message parameter. 57 | /// A MouseStruct containing information from which to contruct MouseEventExtArgs. 58 | /// A new MouseEventExtArgs object. 59 | private static MouseEventExtArgs FromRawDataUniversal(int wParam, MouseStruct mouseInfo) 60 | { 61 | var button = MouseButtons.None; 62 | short mouseDelta = 0; 63 | var clickCount = 0; 64 | 65 | var isMouseKeyDown = false; 66 | var isMouseKeyUp = false; 67 | 68 | 69 | switch (wParam) 70 | { 71 | case Messages.WM_LBUTTONDOWN: 72 | isMouseKeyDown = true; 73 | button = MouseButtons.Left; 74 | clickCount = 1; 75 | break; 76 | case Messages.WM_LBUTTONUP: 77 | isMouseKeyUp = true; 78 | button = MouseButtons.Left; 79 | clickCount = 1; 80 | break; 81 | case Messages.WM_LBUTTONDBLCLK: 82 | isMouseKeyDown = true; 83 | button = MouseButtons.Left; 84 | clickCount = 2; 85 | break; 86 | case Messages.WM_RBUTTONDOWN: 87 | isMouseKeyDown = true; 88 | button = MouseButtons.Right; 89 | clickCount = 1; 90 | break; 91 | case Messages.WM_RBUTTONUP: 92 | isMouseKeyUp = true; 93 | button = MouseButtons.Right; 94 | clickCount = 1; 95 | break; 96 | case Messages.WM_RBUTTONDBLCLK: 97 | isMouseKeyDown = true; 98 | button = MouseButtons.Right; 99 | clickCount = 2; 100 | break; 101 | case Messages.WM_MBUTTONDOWN: 102 | isMouseKeyDown = true; 103 | button = MouseButtons.Middle; 104 | clickCount = 1; 105 | break; 106 | case Messages.WM_MBUTTONUP: 107 | isMouseKeyUp = true; 108 | button = MouseButtons.Middle; 109 | clickCount = 1; 110 | break; 111 | case Messages.WM_MBUTTONDBLCLK: 112 | isMouseKeyDown = true; 113 | button = MouseButtons.Middle; 114 | clickCount = 2; 115 | break; 116 | case Messages.WM_MOUSEWHEEL: 117 | mouseDelta = mouseInfo.MouseData; 118 | break; 119 | case Messages.WM_XBUTTONDOWN: 120 | button = mouseInfo.MouseData == 1 ? MouseButtons.XButton1 : 121 | MouseButtons.XButton2; 122 | isMouseKeyDown = true; 123 | clickCount = 1; 124 | break; 125 | 126 | case Messages.WM_XBUTTONUP: 127 | button = mouseInfo.MouseData == 1 ? MouseButtons.XButton1 : 128 | MouseButtons.XButton2; 129 | isMouseKeyUp = true; 130 | clickCount = 1; 131 | break; 132 | 133 | case Messages.WM_XBUTTONDBLCLK: 134 | isMouseKeyDown = true; 135 | button = mouseInfo.MouseData == 1 ? MouseButtons.XButton1 : 136 | MouseButtons.XButton2; 137 | clickCount = 2; 138 | break; 139 | } 140 | 141 | var e = new MouseEventExtArgs( 142 | button, 143 | clickCount, 144 | mouseInfo.Point, 145 | mouseDelta, 146 | mouseInfo.Timestamp, 147 | isMouseKeyDown, 148 | isMouseKeyUp); 149 | 150 | return e; 151 | } 152 | 153 | /// 154 | /// Initializes a new instance of the class. 155 | /// 156 | /// One of the MouseButtons values indicating which mouse button was pressed. 157 | /// The number of times a mouse button was pressed. 158 | /// The x and y -coordinate of a mouse click, in pixels. 159 | /// A signed count of the number of detents the wheel has rotated. 160 | /// The system tick count when the event occured. 161 | /// True if event singnals mouse button down. 162 | /// True if event singnals mouse button up. 163 | internal MouseEventExtArgs(MouseButtons buttons, int clicks, Point point, int delta, int timestamp, bool isMouseKeyDown, bool isMouseKeyUp) 164 | : base(buttons, clicks, point.X, point.Y, delta) 165 | { 166 | IsMouseKeyDown = isMouseKeyDown; 167 | IsMouseKeyUp = isMouseKeyUp; 168 | Timestamp = timestamp; 169 | } 170 | 171 | internal MouseEventExtArgs ToDoubleClickEventArgs() 172 | { 173 | return new MouseEventExtArgs(Button, 2, Point, Delta, Timestamp, IsMouseKeyDown, IsMouseKeyUp); 174 | } 175 | 176 | /// 177 | /// Set this property to true inside your event handler to prevent further processing of the event in other applications. 178 | /// 179 | public bool Handled { get; set; } 180 | 181 | /// 182 | /// True if event contains information about wheel scroll. 183 | /// 184 | public bool WheelScrolled => Delta != 0; 185 | 186 | /// 187 | /// True if event signals a click. False if it was only a move or wheel scroll. 188 | /// 189 | public bool Clicked => Clicks > 0; 190 | 191 | /// 192 | /// True if event singnals mouse button down. 193 | /// 194 | public bool IsMouseKeyDown 195 | { 196 | get; 197 | } 198 | 199 | /// 200 | /// True if event singnals mouse button up. 201 | /// 202 | public bool IsMouseKeyUp 203 | { 204 | get; 205 | } 206 | 207 | /// 208 | /// The system tick count of when the event occured. 209 | /// 210 | public int Timestamp 211 | { 212 | get; 213 | } 214 | 215 | /// 216 | /// 217 | /// 218 | internal Point Point => new Point(X, Y); 219 | } 220 | } 221 | -------------------------------------------------------------------------------- /src/MouseHookListener.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Windows.Forms; 3 | using MouseKeyboardActivityMonitor.WinApi; 4 | 5 | namespace MouseKeyboardActivityMonitor 6 | { 7 | /// 8 | /// This class monitors all mouse activities and provides appropriate events. 9 | /// 10 | public class MouseHookListener : BaseHookListener 11 | { 12 | 13 | private Point m_PreviousPosition; 14 | private int m_PreviousClickedTime; 15 | private MouseButtons m_PreviousClicked; 16 | private MouseButtons m_DownButtonsWaitingForMouseUp; 17 | private MouseButtons m_SuppressButtonUpFlags; 18 | private int m_SystemDoubleClickTime; 19 | 20 | /// 21 | /// Initializes a new instance of . 22 | /// 23 | /// Depending on this parameter the listener hooks either application or global mouse events. 24 | /// 25 | /// Hooks are not active after installation. You need to use either property or call method. 26 | /// 27 | public MouseHookListener(Hooker hooker) 28 | : base(hooker) 29 | { 30 | m_PreviousPosition = new Point(-1, -1); 31 | m_PreviousClickedTime = 0; 32 | m_DownButtonsWaitingForMouseUp = MouseButtons.None; 33 | m_SuppressButtonUpFlags = MouseButtons.None; 34 | m_PreviousClicked = MouseButtons.None; 35 | m_SystemDoubleClickTime = Mouse.GetDoubleClickTime(); 36 | } 37 | 38 | //################################################################## 39 | #region ProcessCallback and related subroutines 40 | 41 | /// 42 | /// This method processes the data from the hook and initiates event firing. 43 | /// 44 | /// The first Windows Messages parameter. 45 | /// The second Windows Messages parameter. 46 | /// 47 | /// True - The hook will be passed along to other applications. 48 | /// 49 | /// False - The hook will not be given to other applications, effectively blocking input. 50 | /// 51 | /// 52 | protected override bool ProcessCallback(int wParam, IntPtr lParam) 53 | { 54 | var e = MouseEventExtArgs.FromRawData(wParam, lParam, IsGlobal); 55 | 56 | if (e.IsMouseKeyDown) 57 | { 58 | ProcessMouseDown(ref e); 59 | } 60 | 61 | if (e.Clicks == 1 && e.IsMouseKeyUp && !e.Handled) 62 | { 63 | ProcessMouseClick(ref e); 64 | } 65 | 66 | if (e.Clicks == 2 && !e.Handled) 67 | { 68 | InvokeMouseEventHandler(MouseDoubleClick, e); 69 | } 70 | 71 | if (e.IsMouseKeyUp) 72 | { 73 | ProcessMouseUp(ref e); 74 | } 75 | 76 | if (e.WheelScrolled) 77 | { 78 | InvokeMouseEventHandler(MouseWheel, e); 79 | } 80 | 81 | if (HasMoved(e.Point)) 82 | { 83 | ProcessMouseMove(ref e); 84 | } 85 | 86 | return !e.Handled; 87 | } 88 | 89 | private void ProcessMouseDown(ref MouseEventExtArgs e) 90 | { 91 | if (IsGlobal) 92 | { 93 | ProcessPossibleDoubleClick(ref e); 94 | } 95 | else 96 | { 97 | // These are only used for global. No need for them in AppHooks 98 | m_DownButtonsWaitingForMouseUp = MouseButtons.None; 99 | m_PreviousClicked = MouseButtons.None; 100 | m_PreviousClickedTime = 0; 101 | } 102 | 103 | 104 | InvokeMouseEventHandler(MouseDown, e); 105 | InvokeMouseEventHandlerExt(MouseDownExt, e); 106 | if (e.Handled) 107 | { 108 | SetSupressButtonUpFlag(e.Button); 109 | e.Handled = true; 110 | } 111 | } 112 | 113 | private void ProcessPossibleDoubleClick(ref MouseEventExtArgs e) 114 | { 115 | if (IsDoubleClick(e.Button, e.Timestamp)) 116 | { 117 | e = e.ToDoubleClickEventArgs(); 118 | m_DownButtonsWaitingForMouseUp = MouseButtons.None; 119 | m_PreviousClicked = MouseButtons.None; 120 | m_PreviousClickedTime = 0; 121 | } 122 | else 123 | { 124 | m_DownButtonsWaitingForMouseUp |= e.Button; 125 | m_PreviousClickedTime = e.Timestamp; 126 | } 127 | } 128 | 129 | private void ProcessMouseClick(ref MouseEventExtArgs e) 130 | { 131 | if ((m_DownButtonsWaitingForMouseUp & e.Button) != MouseButtons.None) 132 | { 133 | m_PreviousClicked = e.Button; 134 | m_DownButtonsWaitingForMouseUp = MouseButtons.None; 135 | InvokeMouseEventHandler(MouseClick, e); 136 | InvokeMouseEventHandlerExt(MouseClickExt, e); 137 | } 138 | } 139 | 140 | private void ProcessMouseUp(ref MouseEventExtArgs e) 141 | { 142 | if (!HasSupressButtonUpFlag(e.Button)) 143 | { 144 | InvokeMouseEventHandler(MouseUp, e); 145 | } 146 | else 147 | { 148 | RemoveSupressButtonUpFlag(e.Button); 149 | e.Handled = true; 150 | } 151 | } 152 | 153 | private void ProcessMouseMove(ref MouseEventExtArgs e) 154 | { 155 | m_PreviousPosition = e.Point; 156 | 157 | InvokeMouseEventHandler(MouseMove, e); 158 | InvokeMouseEventHandlerExt(MouseMoveExt, e); 159 | } 160 | 161 | #endregion 162 | 163 | private void RemoveSupressButtonUpFlag(MouseButtons button) 164 | { 165 | m_SuppressButtonUpFlags = m_SuppressButtonUpFlags ^ button; 166 | } 167 | 168 | private bool HasSupressButtonUpFlag(MouseButtons button) 169 | { 170 | return (m_SuppressButtonUpFlags & button) != 0; 171 | } 172 | 173 | private void SetSupressButtonUpFlag(MouseButtons button) 174 | { 175 | m_SuppressButtonUpFlags = m_SuppressButtonUpFlags | button; 176 | } 177 | 178 | /// 179 | /// Returns the correct hook id to be used for call. 180 | /// 181 | /// WH_MOUSE (0x07) or WH_MOUSE_LL (0x14) constant. 182 | protected override int GetHookId() 183 | { 184 | return IsGlobal ? 185 | GlobalHooker.WH_MOUSE_LL : 186 | AppHooker.WH_MOUSE; 187 | } 188 | 189 | private bool HasMoved(Point actualPoint) 190 | { 191 | return m_PreviousPosition != actualPoint; 192 | } 193 | 194 | private bool IsDoubleClick(MouseButtons button, int timestamp) 195 | { 196 | return 197 | button == m_PreviousClicked && 198 | timestamp - m_PreviousClickedTime <= m_SystemDoubleClickTime; // Mouse.GetDoubleClickTime(); 199 | } 200 | 201 | private void InvokeMouseEventHandler(MouseEventHandler handler, MouseEventArgs e) 202 | { 203 | handler?.Invoke(this, e); 204 | } 205 | 206 | 207 | private void InvokeMouseEventHandlerExt(EventHandler handler, MouseEventExtArgs e) 208 | { 209 | handler?.Invoke(this, e); 210 | } 211 | 212 | /// 213 | /// Occurs when the mouse pointer is moved. 214 | /// 215 | public event MouseEventHandler MouseMove; 216 | 217 | /// 218 | /// Occurs when the mouse pointer is moved. 219 | /// 220 | /// 221 | /// This event provides extended arguments of type enabling you to 222 | /// supress further processing of mouse movement in other applications. 223 | /// 224 | public event EventHandler MouseMoveExt; 225 | 226 | /// 227 | /// Occurs when a click was performed by the mouse. 228 | /// 229 | public event MouseEventHandler MouseClick; 230 | 231 | /// 232 | /// Occurs when a click was performed by the mouse. 233 | /// 234 | /// 235 | /// This event provides extended arguments of type enabling you to 236 | /// supress further processing of mouse click in other applications. 237 | /// 238 | [Obsolete("To supress mouse clicks use MouseDownExt event instead.")] 239 | public event EventHandler MouseClickExt; 240 | 241 | /// 242 | /// Occurs when the mouse a mouse button is pressed. 243 | /// 244 | public event MouseEventHandler MouseDown; 245 | 246 | /// 247 | /// Occurs when the mouse a mouse button is pressed. 248 | /// 249 | /// 250 | /// This event provides extended arguments of type enabling you to 251 | /// supress further processing of mouse click in other applications. 252 | /// 253 | public event EventHandler MouseDownExt; 254 | 255 | /// 256 | /// Occurs when a mouse button is released. 257 | /// 258 | public event MouseEventHandler MouseUp; 259 | 260 | /// 261 | /// Occurs when the mouse wheel moves. 262 | /// 263 | public event MouseEventHandler MouseWheel; 264 | 265 | /// 266 | /// Occurs when a mouse button is double-clicked. 267 | /// 268 | public event MouseEventHandler MouseDoubleClick; 269 | 270 | /// 271 | /// Release delegates, unsubscribes from hooks. 272 | /// 273 | /// 2 274 | public override void Dispose() 275 | { 276 | MouseClick = null; 277 | MouseClickExt = null; 278 | MouseDown = null; 279 | MouseDownExt = null; 280 | MouseMove = null; 281 | MouseMoveExt = null; 282 | MouseUp = null; 283 | MouseWheel = null; 284 | MouseDoubleClick = null; 285 | base.Dispose(); 286 | } 287 | } 288 | } -------------------------------------------------------------------------------- /src/MouseKeyboardActivityMonitor.csproj: -------------------------------------------------------------------------------- 1 |  2 | 3 | 4 | Library 5 | netcoreapp3.1;net462;net472 6 | true 7 | MouseKeyboardActivityMonitor 8 | 9 | 10 | 3.0.1 11 | 3.0.1.0 12 | This class library contains components to monitor mouse and keyboard activities and provides appropriate events. 13 | Mouse and Keyboard Hooks .NET 14 | Mouse and Keyboard Hooks .NET 15 | Open Source under Ms-PL License. 16 | 8.0 17 | false 18 | TaaghcheCert.snk 19 | true 20 | false 21 | 22 | 23 | 24 | none 25 | false 26 | 27 | 28 | -------------------------------------------------------------------------------- /src/MouseKeyboardActivityMonitor.sln: -------------------------------------------------------------------------------- 1 |  2 | Microsoft Visual Studio Solution File, Format Version 12.00 3 | # Visual Studio Version 16 4 | VisualStudioVersion = 16.0.31605.320 5 | MinimumVisualStudioVersion = 10.0.40219.1 6 | Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MouseKeyboardActivityMonitor", "MouseKeyboardActivityMonitor.csproj", "{10F0C633-D677-4D67-94A6-D183D864C222}" 7 | EndProject 8 | Global 9 | GlobalSection(SolutionConfigurationPlatforms) = preSolution 10 | Debug|Any CPU = Debug|Any CPU 11 | Release|Any CPU = Release|Any CPU 12 | EndGlobalSection 13 | GlobalSection(ProjectConfigurationPlatforms) = postSolution 14 | {10F0C633-D677-4D67-94A6-D183D864C222}.Debug|Any CPU.ActiveCfg = Debug|Any CPU 15 | {10F0C633-D677-4D67-94A6-D183D864C222}.Debug|Any CPU.Build.0 = Debug|Any CPU 16 | {10F0C633-D677-4D67-94A6-D183D864C222}.Release|Any CPU.ActiveCfg = Release|Any CPU 17 | {10F0C633-D677-4D67-94A6-D183D864C222}.Release|Any CPU.Build.0 = Release|Any CPU 18 | EndGlobalSection 19 | GlobalSection(SolutionProperties) = preSolution 20 | HideSolutionNode = FALSE 21 | EndGlobalSection 22 | GlobalSection(ExtensibilityGlobals) = postSolution 23 | SolutionGuid = {4AFC067F-9486-402A-A25F-140C986740A6} 24 | EndGlobalSection 25 | EndGlobal 26 | -------------------------------------------------------------------------------- /src/WinApi/AppHooker.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Runtime.InteropServices; 3 | 4 | namespace MouseKeyboardActivityMonitor.WinApi 5 | { 6 | /// 7 | /// Provides methods for subscription and unsubscription to application mouse and keyboard hooks. 8 | /// 9 | public class AppHooker : Hooker 10 | { 11 | /// 12 | /// Installs a hook procedure that monitors mouse messages. For more information, see the MouseProc hook procedure. 13 | /// 14 | internal const int WH_MOUSE = 7; 15 | 16 | /// 17 | /// Installs a hook procedure that monitors keystroke messages. For more information, see the KeyboardProc hook procedure. 18 | /// 19 | internal const int WH_KEYBOARD = 2; 20 | 21 | internal override int Subscribe(int hookId, HookCallback hookCallback) 22 | { 23 | var hookHandle = SetWindowsHookEx( 24 | hookId, 25 | hookCallback, 26 | IntPtr.Zero, 27 | GetCurrentThreadId()); 28 | 29 | if (hookHandle == 0) 30 | { 31 | ThrowLastUnmanagedErrorAsException(); 32 | } 33 | 34 | return hookHandle; 35 | } 36 | 37 | internal override bool IsGlobal => false; 38 | 39 | /// 40 | /// Retrieves the unmanaged thread identifier of the calling thread. 41 | /// 42 | /// 43 | [DllImport("kernel32")] 44 | private static extern int GetCurrentThreadId(); 45 | } 46 | } -------------------------------------------------------------------------------- /src/WinApi/GlobalHooker.cs: -------------------------------------------------------------------------------- 1 | using System.Diagnostics; 2 | 3 | namespace MouseKeyboardActivityMonitor.WinApi 4 | { 5 | /// 6 | /// Provides methods for subscription and unsubscription to global mouse and keyboard hooks. 7 | /// 8 | public class GlobalHooker : Hooker 9 | { 10 | internal override int Subscribe(int hookId, HookCallback hookCallback) 11 | { 12 | var hookHandle = SetWindowsHookEx( 13 | hookId, 14 | hookCallback, 15 | Process.GetCurrentProcess().MainModule.BaseAddress, 16 | 0); 17 | 18 | if (hookHandle == 0) 19 | { 20 | ThrowLastUnmanagedErrorAsException(); 21 | } 22 | 23 | return hookHandle; 24 | } 25 | 26 | internal override bool IsGlobal => true; 27 | 28 | /// 29 | /// Windows NT/2000/XP/Vista/7: Installs a hook procedure that monitors low-level mouse input events. 30 | /// 31 | internal const int WH_MOUSE_LL = 14; 32 | 33 | /// 34 | /// Windows NT/2000/XP/Vista/7: Installs a hook procedure that monitors low-level keyboard input events. 35 | /// 36 | internal const int WH_KEYBOARD_LL = 13; 37 | } 38 | } 39 | -------------------------------------------------------------------------------- /src/WinApi/HookCallback.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | 3 | namespace MouseKeyboardActivityMonitor.WinApi 4 | { 5 | /// 6 | /// The CallWndProc hook procedure is an application-defined or library-defined callback 7 | /// function used with the SetWindowsHookEx function. The HOOKPROC type defines a pointer 8 | /// to this callback function. CallWndProc is a placeholder for the application-defined 9 | /// or library-defined function name. 10 | /// 11 | /// 12 | /// [in] Specifies whether the hook procedure must process the message. 13 | /// If nCode is HC_ACTION, the hook procedure must process the message. 14 | /// If nCode is less than zero, the hook procedure must pass the message to the 15 | /// CallNextHookEx function without further processing and must return the 16 | /// value returned by CallNextHookEx. 17 | /// 18 | /// 19 | /// [in] Specifies whether the message was sent by the current thread. 20 | /// If the message was sent by the current thread, it is nonzero; otherwise, it is zero. 21 | /// 22 | /// 23 | /// [in] Pointer to a CWPSTRUCT structure that contains details about the message. 24 | /// 25 | /// 26 | /// If nCode is less than zero, the hook procedure must return the value returned by CallNextHookEx. 27 | /// If nCode is greater than or equal to zero, it is highly recommended that you call CallNextHookEx 28 | /// and return the value it returns; otherwise, other applications that have installed WH_CALLWNDPROC 29 | /// hooks will not receive hook notifications and may behave incorrectly as a result. If the hook 30 | /// procedure does not call CallNextHookEx, the return value should be zero. 31 | /// 32 | /// 33 | /// http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winui/winui/windowsuserinterface/windowing/hooks/hookreference/hookfunctions/callwndproc.asp 34 | /// 35 | public delegate int HookCallback(int nCode, int wParam, IntPtr lParam); 36 | } -------------------------------------------------------------------------------- /src/WinApi/Hooker.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.ComponentModel; 3 | using System.Runtime.InteropServices; 4 | 5 | namespace MouseKeyboardActivityMonitor.WinApi 6 | { 7 | /// 8 | /// Provides base implementation of methods for subscription and unsubscription to application and/or global mouse and keyboard hooks. 9 | /// 10 | public abstract class Hooker 11 | { 12 | internal abstract int Subscribe(int hookId, HookCallback hookCallback); 13 | 14 | internal void Unsubscribe(int handle) 15 | { 16 | var result = UnhookWindowsHookEx(handle); 17 | 18 | if (result == 0) 19 | { 20 | ThrowLastUnmanagedErrorAsException(); 21 | } 22 | } 23 | 24 | internal abstract bool IsGlobal { get; } 25 | 26 | /// 27 | /// The CallNextHookEx function passes the hook information to the next hook procedure in the current hook chain. 28 | /// A hook procedure can call this function either before or after processing the hook information. 29 | /// 30 | /// Ignored. 31 | /// [in] Specifies the hook code passed to the current hook procedure. 32 | /// [in] Specifies the wParam value passed to the current hook procedure. 33 | /// [in] Specifies the lParam value passed to the current hook procedure. 34 | /// This value is returned by the next hook procedure in the chain. 35 | /// 36 | /// http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winui/winui/windowsuserinterface/windowing/hooks/hookreference/hookfunctions/setwindowshookex.asp 37 | /// 38 | [DllImport("user32.dll", CharSet = CharSet.Auto, 39 | CallingConvention = CallingConvention.StdCall)] 40 | internal static extern int CallNextHookEx( 41 | int idHook, 42 | int nCode, 43 | int wParam, 44 | IntPtr lParam); 45 | 46 | /// 47 | /// The SetWindowsHookEx function installs an application-defined hook procedure into a hook chain. 48 | /// You would install a hook procedure to monitor the system for certain types of events. These events 49 | /// are associated either with a specific thread or with all threads in the same desktop as the calling thread. 50 | /// 51 | /// 52 | /// [in] Specifies the type of hook procedure to be installed. This parameter can be one of the following values. 53 | /// 54 | /// 55 | /// [in] Pointer to the hook procedure. If the dwThreadId parameter is zero or specifies the identifier of a 56 | /// thread created by a different process, the lpfn parameter must point to a hook procedure in a dynamic-link 57 | /// library (DLL). Otherwise, lpfn can point to a hook procedure in the code associated with the current process. 58 | /// 59 | /// 60 | /// [in] Handle to the DLL containing the hook procedure pointed to by the lpfn parameter. 61 | /// The hMod parameter must be set to NULL if the dwThreadId parameter specifies a thread created by 62 | /// the current process and if the hook procedure is within the code associated with the current process. 63 | /// 64 | /// 65 | /// [in] Specifies the identifier of the thread with which the hook procedure is to be associated. 66 | /// If this parameter is zero, the hook procedure is associated with all existing threads running in the 67 | /// same desktop as the calling thread. 68 | /// 69 | /// 70 | /// If the function succeeds, the return value is the handle to the hook procedure. 71 | /// If the function fails, the return value is NULL. To get extended error information, call GetLastError. 72 | /// 73 | /// 74 | /// http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winui/winui/windowsuserinterface/windowing/hooks/hookreference/hookfunctions/setwindowshookex.asp 75 | /// 76 | [DllImport("user32.dll", CharSet = CharSet.Auto, 77 | CallingConvention = CallingConvention.StdCall, SetLastError = true)] 78 | internal static extern int SetWindowsHookEx( 79 | int idHook, 80 | HookCallback lpfn, 81 | IntPtr hMod, 82 | int dwThreadId); 83 | 84 | /// 85 | /// The UnhookWindowsHookEx function removes a hook procedure installed in a hook chain by the SetWindowsHookEx function. 86 | /// 87 | /// 88 | /// [in] Handle to the hook to be removed. This parameter is a hook handle obtained by a previous call to SetWindowsHookEx. 89 | /// 90 | /// 91 | /// If the function succeeds, the return value is nonzero. 92 | /// If the function fails, the return value is zero. To get extended error information, call GetLastError. 93 | /// 94 | /// 95 | /// http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winui/winui/windowsuserinterface/windowing/hooks/hookreference/hookfunctions/setwindowshookex.asp 96 | /// 97 | [DllImport("user32.dll", CharSet = CharSet.Auto, 98 | CallingConvention = CallingConvention.StdCall, SetLastError = true)] 99 | internal static extern int UnhookWindowsHookEx(int idHook); 100 | 101 | internal static void ThrowLastUnmanagedErrorAsException() 102 | { 103 | //Returns the error code returned by the last unmanaged function called using platform invoke that has the DllImportAttribute.SetLastError flag set. 104 | var errorCode = Marshal.GetLastWin32Error(); 105 | //Initializes and throws a new instance of the Win32Exception class with the specified error. 106 | throw new Win32Exception(errorCode); 107 | } 108 | } 109 | } -------------------------------------------------------------------------------- /src/WinApi/Keyboard.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Runtime.InteropServices; 3 | 4 | namespace MouseKeyboardActivityMonitor.WinApi 5 | { 6 | internal static class Keyboard 7 | { 8 | //values from Winuser.h in Microsoft SDK. 9 | public const byte VK_SHIFT = 0x10; 10 | public const byte VK_CAPITAL = 0x14; 11 | public const byte VK_NUMLOCK = 0x90; 12 | 13 | internal static bool TryGetCharFromKeyboardState(int virtualKeyCode, int scanCode, int fuState, out char ch) 14 | { 15 | var isDownShift = ((GetKeyState(VK_SHIFT) & 0x80) == 0x80 ? true : false); 16 | var isDownCapslock = (GetKeyState(VK_CAPITAL) != 0 ? true : false); 17 | 18 | var keyState = new byte[256]; 19 | GetKeyboardState(keyState); 20 | var inBuffer = new byte[2]; 21 | 22 | var isSuccesfullyConverted = ToAscii(virtualKeyCode, 23 | scanCode, 24 | keyState, 25 | inBuffer, 26 | fuState) == 1; 27 | if (!isSuccesfullyConverted) 28 | { 29 | ch = (char)0; 30 | return false; 31 | } 32 | 33 | ch = (char)inBuffer[0]; 34 | if ((isDownCapslock ^ isDownShift) && char.IsLetter(ch)) 35 | { 36 | ch = char.ToUpper(ch); 37 | } 38 | return true; 39 | } 40 | 41 | 42 | /// 43 | /// The ToAscii function translates the specified virtual-key code and keyboard 44 | /// state to the corresponding character or characters. The function translates the code 45 | /// using the input language and physical keyboard layout identified by the keyboard layout handle. 46 | /// 47 | /// 48 | /// [in] Specifies the virtual-key code to be translated. 49 | /// 50 | /// 51 | /// [in] Specifies the hardware scan code of the key to be translated. 52 | /// The high-order bit of this value is set if the key is up (not pressed). 53 | /// 54 | /// 55 | /// [in] Pointer to a 256-byte array that contains the current keyboard state. 56 | /// Each element (byte) in the array contains the state of one key. 57 | /// If the high-order bit of a byte is set, the key is down (pressed). 58 | /// The low bit, if set, indicates that the key is toggled on. In this function, 59 | /// only the toggle bit of the CAPS LOCK key is relevant. The toggle state 60 | /// of the NUM LOCK and SCROLL LOCK keys is ignored. 61 | /// 62 | /// 63 | /// [out] Pointer to the buffer that receives the translated character or characters. 64 | /// 65 | /// 66 | /// [in] Specifies whether a menu is active. This parameter must be 1 if a menu is active, or 0 otherwise. 67 | /// 68 | /// 69 | /// If the specified key is a dead key, the return value is negative. Otherwise, it is one of the following values. 70 | /// Value Meaning 71 | /// 0 The specified virtual key has no translation for the current state of the keyboard. 72 | /// 1 One character was copied to the buffer. 73 | /// 2 Two characters were copied to the buffer. This usually happens when a dead-key character 74 | /// (accent or diacritic) stored in the keyboard layout cannot be composed with the specified 75 | /// virtual key to form a single character. 76 | /// 77 | /// 78 | /// http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winui/winui/windowsuserinterface/userinput/keyboardinput/keyboardinputreference/keyboardinputfunctions/toascii.asp 79 | /// 80 | [DllImport("user32")] 81 | public static extern int ToAscii( 82 | int uVirtKey, 83 | int uScanCode, 84 | byte[] lpbKeyState, 85 | byte[] lpwTransKey, 86 | int fuState); 87 | 88 | /// 89 | /// The GetKeyboardState function copies the status of the 256 virtual keys to the 90 | /// specified buffer. 91 | /// 92 | /// 93 | /// [in] Pointer to a 256-byte array that contains keyboard key states. 94 | /// 95 | /// 96 | /// If the function succeeds, the return value is nonzero. 97 | /// If the function fails, the return value is zero. To get extended error information, call GetLastError. 98 | /// 99 | /// 100 | /// http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winui/winui/windowsuserinterface/userinput/keyboardinput/keyboardinputreference/keyboardinputfunctions/toascii.asp 101 | /// 102 | [DllImport("user32")] 103 | public static extern int GetKeyboardState(byte[] pbKeyState); 104 | 105 | /// 106 | /// The GetKeyState function retrieves the status of the specified virtual key. The status specifies whether the key is up, down, or toggled 107 | /// (on, off—alternating each time the key is pressed). 108 | /// 109 | /// 110 | /// [in] Specifies a virtual key. If the desired virtual key is a letter or digit (A through Z, a through z, or 0 through 9), nVirtKey must be set to the ASCII value of that character. For other keys, it must be a virtual-key code. 111 | /// 112 | /// 113 | /// The return value specifies the status of the specified virtual key, as follows: 114 | ///If the high-order bit is 1, the key is down; otherwise, it is up. 115 | ///If the low-order bit is 1, the key is toggled. A key, such as the CAPS LOCK key, is toggled if it is turned on. The key is off and untoggled if the low-order bit is 0. A toggle key's indicator light (if any) on the keyboard will be on when the key is toggled, and off when the key is untoggled. 116 | /// 117 | /// http://msdn.microsoft.com/en-us/library/ms646301.aspx 118 | [DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)] 119 | public static extern short GetKeyState(int vKey); 120 | } 121 | } -------------------------------------------------------------------------------- /src/WinApi/KeyboardHookStruct.cs: -------------------------------------------------------------------------------- 1 | using System.Runtime.InteropServices; 2 | 3 | namespace MouseKeyboardActivityMonitor.WinApi 4 | { 5 | /// 6 | /// The KeyboardHookStruct structure contains information about a low-level keyboard input event. 7 | /// 8 | /// 9 | /// http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winui/winui/windowsuserinterface/windowing/hooks/hookreference/hookstructures/cwpstruct.asp 10 | /// 11 | [StructLayout(LayoutKind.Sequential)] 12 | internal struct KeyboardHookStruct 13 | { 14 | /// 15 | /// Specifies a virtual-key code. The code must be a value in the range 1 to 254. 16 | /// 17 | public int VirtualKeyCode; 18 | /// 19 | /// Specifies a hardware scan code for the key. 20 | /// 21 | public int ScanCode; 22 | /// 23 | /// Specifies the extended-key flag, event-injected flag, context code, and transition-state flag. 24 | /// 25 | public int Flags; 26 | /// 27 | /// Specifies the Time stamp for this message. 28 | /// 29 | public int Time; 30 | /// 31 | /// Specifies extra information associated with the message. 32 | /// 33 | public int ExtraInfo; 34 | } 35 | } -------------------------------------------------------------------------------- /src/WinApi/Messages.cs: -------------------------------------------------------------------------------- 1 | namespace MouseKeyboardActivityMonitor.WinApi 2 | { 3 | internal static class Messages 4 | { 5 | //values from Winuser.h in Microsoft SDK. 6 | 7 | /// 8 | /// The WM_MOUSEMOVE message is posted to a window when the cursor moves. 9 | /// 10 | public const int WM_MOUSEMOVE = 0x200; 11 | 12 | /// 13 | /// The WM_LBUTTONDOWN message is posted when the user presses the left mouse button 14 | /// 15 | public const int WM_LBUTTONDOWN = 0x201; 16 | 17 | /// 18 | /// The WM_RBUTTONDOWN message is posted when the user presses the right mouse button 19 | /// 20 | public const int WM_RBUTTONDOWN = 0x204; 21 | 22 | /// 23 | /// The WM_MBUTTONDOWN message is posted when the user presses the middle mouse button 24 | /// 25 | public const int WM_MBUTTONDOWN = 0x207; 26 | 27 | /// 28 | /// The WM_LBUTTONUP message is posted when the user releases the left mouse button 29 | /// 30 | public const int WM_LBUTTONUP = 0x202; 31 | 32 | /// 33 | /// The WM_RBUTTONUP message is posted when the user releases the right mouse button 34 | /// 35 | public const int WM_RBUTTONUP = 0x205; 36 | 37 | /// 38 | /// The WM_MBUTTONUP message is posted when the user releases the middle mouse button 39 | /// 40 | public const int WM_MBUTTONUP = 0x208; 41 | 42 | /// 43 | /// The WM_LBUTTONDBLCLK message is posted when the user double-clicks the left mouse button 44 | /// 45 | public const int WM_LBUTTONDBLCLK = 0x203; 46 | 47 | /// 48 | /// The WM_RBUTTONDBLCLK message is posted when the user double-clicks the right mouse button 49 | /// 50 | public const int WM_RBUTTONDBLCLK = 0x206; 51 | 52 | /// 53 | /// The WM_RBUTTONDOWN message is posted when the user presses the right mouse button 54 | /// 55 | public const int WM_MBUTTONDBLCLK = 0x209; 56 | 57 | /// 58 | /// The WM_MOUSEWHEEL message is posted when the user presses the mouse wheel. 59 | /// 60 | public const int WM_MOUSEWHEEL = 0x020A; 61 | 62 | /// 63 | /// The WM_XBUTTONDOWN message is posted when the user presses the first or second X mouse 64 | /// button. 65 | /// 66 | public const int WM_XBUTTONDOWN = 0x20B; 67 | 68 | /// 69 | /// The WM_XBUTTONUP message is posted when the user releases the first or second X mouse 70 | /// button. 71 | /// 72 | public const int WM_XBUTTONUP = 0x20C; 73 | 74 | /// 75 | /// The WM_XBUTTONDBLCLK message is posted when the user double-clicks the first or second 76 | /// X mouse button. 77 | /// 78 | /// Only windows that have the CS_DBLCLKS style can receive WM_XBUTTONDBLCLK messages. 79 | public const int WM_XBUTTONDBLCLK = 0x20D; 80 | 81 | /// 82 | /// The WM_KEYDOWN message is posted to the window with the keyboard focus when a nonsystem 83 | /// key is pressed. A nonsystem key is a key that is pressed when the ALT key is not pressed. 84 | /// 85 | public const int WM_KEYDOWN = 0x100; 86 | 87 | /// 88 | /// The WM_KEYUP message is posted to the window with the keyboard focus when a nonsystem 89 | /// key is released. A nonsystem key is a key that is pressed when the ALT key is not pressed, 90 | /// or a keyboard key that is pressed when a window has the keyboard focus. 91 | /// 92 | public const int WM_KEYUP = 0x101; 93 | 94 | /// 95 | /// The WM_SYSKEYDOWN message is posted to the window with the keyboard focus when the user 96 | /// presses the F10 key (which activates the menu bar) or holds down the ALT key and then 97 | /// presses another key. It also occurs when no window currently has the keyboard focus; 98 | /// in this case, the WM_SYSKEYDOWN message is sent to the active window. The window that 99 | /// receives the message can distinguish between these two contexts by checking the context 100 | /// code in the lParam parameter. 101 | /// 102 | public const int WM_SYSKEYDOWN = 0x104; 103 | 104 | /// 105 | /// The WM_SYSKEYUP message is posted to the window with the keyboard focus when the user 106 | /// releases a key that was pressed while the ALT key was held down. It also occurs when no 107 | /// window currently has the keyboard focus; in this case, the WM_SYSKEYUP message is sent 108 | /// to the active window. The window that receives the message can distinguish between 109 | /// these two contexts by checking the context code in the lParam parameter. 110 | /// 111 | public const int WM_SYSKEYUP = 0x105; 112 | } 113 | } 114 | -------------------------------------------------------------------------------- /src/WinApi/Mouse.cs: -------------------------------------------------------------------------------- 1 | using System.Runtime.InteropServices; 2 | 3 | namespace MouseKeyboardActivityMonitor.WinApi 4 | { 5 | internal class Mouse 6 | { 7 | /// 8 | /// The GetDoubleClickTime function retrieves the current double-click time for the mouse. A double-click is a series of two clicks of the 9 | /// mouse button, the second occurring within a specified time after the first. The double-click time is the maximum number of 10 | /// milliseconds that may occur between the first and second click of a double-click. 11 | /// 12 | /// 13 | /// The return value specifies the current double-click time, in milliseconds. 14 | /// 15 | /// 16 | /// http://msdn.microsoft.com/en-us/library/ms646258(VS.85).aspx 17 | /// 18 | [DllImport("user32")] 19 | internal static extern int GetDoubleClickTime(); 20 | } 21 | } 22 | -------------------------------------------------------------------------------- /src/WinApi/MouseStructures.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Runtime.InteropServices; 3 | 4 | namespace MouseKeyboardActivityMonitor.WinApi 5 | { 6 | 7 | /// 8 | /// The structure contains information about a mouse input event. 9 | /// 10 | /// 11 | /// See full documentation at http://globalmousekeyhook.codeplex.com/wikipage?title=MouseStruct 12 | /// 13 | [StructLayout(LayoutKind.Explicit)] 14 | internal struct MouseStruct 15 | { 16 | /// 17 | /// Specifies a Point structure that contains the X- and Y-coordinates of the cursor, in screen coordinates. 18 | /// 19 | [FieldOffset(0x00)] 20 | public Point Point; 21 | 22 | /// 23 | /// Specifies information associated with the message. 24 | /// 25 | /// 26 | /// The possible values are: 27 | /// 28 | /// 29 | /// 0 - No Information 30 | /// 31 | /// 32 | /// 1 - X-Button1 Click 33 | /// 34 | /// 35 | /// 2 - X-Button2 Click 36 | /// 37 | /// 38 | /// 120 - Mouse Scroll Away from User 39 | /// 40 | /// 41 | /// -120 - Mouse Scroll Toward User 42 | /// 43 | /// 44 | /// 45 | [FieldOffset(0x0A)] 46 | public short MouseData; 47 | 48 | /// 49 | /// Returns a Timestamp associated with the input, in System Ticks. 50 | /// 51 | [FieldOffset(0x10)] 52 | public int Timestamp; 53 | } 54 | 55 | /// 56 | /// The AppMouseStruct structure contains information about a application-level mouse input event. 57 | /// 58 | /// 59 | /// See full documentation at http://globalmousekeyhook.codeplex.com/wikipage?title=MouseStruct 60 | /// 61 | [StructLayout(LayoutKind.Explicit)] 62 | internal struct AppMouseStruct 63 | { 64 | 65 | /// 66 | /// Specifies a Point structure that contains the X- and Y-coordinates of the cursor, in screen coordinates. 67 | /// 68 | [FieldOffset(0x00)] 69 | public Point Point; 70 | 71 | /// 72 | /// Specifies information associated with the message. 73 | /// 74 | /// 75 | /// The possible values are: 76 | /// 77 | /// 78 | /// 0 - No Information 79 | /// 80 | /// 81 | /// 1 - X-Button1 Click 82 | /// 83 | /// 84 | /// 2 - X-Button2 Click 85 | /// 86 | /// 87 | /// 120 - Mouse Scroll Away from User 88 | /// 89 | /// 90 | /// -120 - Mouse Scroll Toward User 91 | /// 92 | /// 93 | /// 94 | #if IS_X64 95 | [FieldOffset(0x22)] 96 | #else 97 | [FieldOffset(0x16)] 98 | #endif 99 | public short MouseData; 100 | 101 | /// 102 | /// Converts the current into a . 103 | /// 104 | /// 105 | /// 106 | /// The AppMouseStruct does not have a timestamp, thus one is generated at the time of this call. 107 | /// 108 | public MouseStruct ToMouseStruct() 109 | { 110 | var tmp = new MouseStruct(); 111 | tmp.Point = Point; 112 | tmp.MouseData = MouseData; 113 | tmp.Timestamp = Environment.TickCount; 114 | return tmp; 115 | } 116 | } 117 | 118 | } 119 | -------------------------------------------------------------------------------- /src/WinApi/Point.cs: -------------------------------------------------------------------------------- 1 | using System.Runtime.InteropServices; 2 | 3 | namespace MouseKeyboardActivityMonitor.WinApi 4 | { 5 | /// 6 | /// The Point structure defines the X- and Y- coordinates of a point. 7 | /// 8 | /// 9 | /// http://msdn.microsoft.com/library/default.asp?url=/library/en-us/gdi/rectangl_0tiq.asp 10 | /// 11 | [StructLayout(LayoutKind.Sequential)] 12 | internal struct Point { 13 | /// 14 | /// Specifies the X-coordinate of the point. 15 | /// 16 | public int X; 17 | /// 18 | /// Specifies the Y-coordinate of the point. 19 | /// 20 | public int Y; 21 | 22 | public Point(int x, int y) 23 | { 24 | X = x; 25 | Y = y; 26 | } 27 | 28 | public static bool operator ==(Point a, Point b) 29 | { 30 | return a.X == b.X && a.Y == b.Y; 31 | } 32 | 33 | public static bool operator !=(Point a, Point b) 34 | { 35 | return !(a == b); 36 | } 37 | 38 | public bool Equals(Point other) 39 | { 40 | return other.X == X && other.Y == Y; 41 | } 42 | 43 | public override bool Equals(object obj) 44 | { 45 | if (ReferenceEquals(null, obj)) return false; 46 | if (obj.GetType() != typeof (Point)) return false; 47 | return Equals((Point) obj); 48 | } 49 | 50 | public override int GetHashCode() 51 | { 52 | unchecked 53 | { 54 | return (X*397) ^ Y; 55 | } 56 | } 57 | } 58 | } --------------------------------------------------------------------------------