├── .gitignore ├── AfterDelegate ├── AfterDelegate.csproj ├── Employee.cs ├── Program.cs └── Report.cs ├── Delegates ├── BeforeDelegates.csproj ├── Employee.cs ├── Program.cs └── Report.cs ├── LICENSE └── MulticastDelegate ├── MulticastDelegate.csproj └── Program.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/main/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 | [Ww][Ii][Nn]32/ 27 | [Aa][Rr][Mm]/ 28 | [Aa][Rr][Mm]64/ 29 | bld/ 30 | [Bb]in/ 31 | [Oo]bj/ 32 | [Ll]og/ 33 | [Ll]ogs/ 34 | 35 | # Visual Studio 2015/2017 cache/options directory 36 | .vs/ 37 | # Uncomment if you have tasks that create the project's static files in wwwroot 38 | #wwwroot/ 39 | 40 | # Visual Studio 2017 auto generated files 41 | Generated\ Files/ 42 | 43 | # MSTest test Results 44 | [Tt]est[Rr]esult*/ 45 | [Bb]uild[Ll]og.* 46 | 47 | # NUnit 48 | *.VisualState.xml 49 | TestResult.xml 50 | nunit-*.xml 51 | 52 | # Build Results of an ATL Project 53 | [Dd]ebugPS/ 54 | [Rr]eleasePS/ 55 | dlldata.c 56 | 57 | # Benchmark Results 58 | BenchmarkDotNet.Artifacts/ 59 | 60 | # .NET 61 | project.lock.json 62 | project.fragment.lock.json 63 | artifacts/ 64 | 65 | # Tye 66 | .tye/ 67 | 68 | # ASP.NET Scaffolding 69 | ScaffoldingReadMe.txt 70 | 71 | # StyleCop 72 | StyleCopReport.xml 73 | 74 | # Files built by Visual Studio 75 | *_i.c 76 | *_p.c 77 | *_h.h 78 | *.ilk 79 | *.meta 80 | *.obj 81 | *.iobj 82 | *.pch 83 | *.pdb 84 | *.ipdb 85 | *.pgc 86 | *.pgd 87 | *.rsp 88 | *.sbr 89 | *.tlb 90 | *.tli 91 | *.tlh 92 | *.tmp 93 | *.tmp_proj 94 | *_wpftmp.csproj 95 | *.log 96 | *.tlog 97 | *.vspscc 98 | *.vssscc 99 | .builds 100 | *.pidb 101 | *.svclog 102 | *.scc 103 | 104 | # Chutzpah Test files 105 | _Chutzpah* 106 | 107 | # Visual C++ cache files 108 | ipch/ 109 | *.aps 110 | *.ncb 111 | *.opendb 112 | *.opensdf 113 | *.sdf 114 | *.cachefile 115 | *.VC.db 116 | *.VC.VC.opendb 117 | 118 | # Visual Studio profiler 119 | *.psess 120 | *.vsp 121 | *.vspx 122 | *.sap 123 | 124 | # Visual Studio Trace Files 125 | *.e2e 126 | 127 | # TFS 2012 Local Workspace 128 | $tf/ 129 | 130 | # Guidance Automation Toolkit 131 | *.gpState 132 | 133 | # ReSharper is a .NET coding add-in 134 | _ReSharper*/ 135 | *.[Rr]e[Ss]harper 136 | *.DotSettings.user 137 | 138 | # TeamCity is a build add-in 139 | _TeamCity* 140 | 141 | # DotCover is a Code Coverage Tool 142 | *.dotCover 143 | 144 | # AxoCover is a Code Coverage Tool 145 | .axoCover/* 146 | !.axoCover/settings.json 147 | 148 | # Coverlet is a free, cross platform Code Coverage Tool 149 | coverage*.json 150 | coverage*.xml 151 | coverage*.info 152 | 153 | # Visual Studio code coverage results 154 | *.coverage 155 | *.coveragexml 156 | 157 | # NCrunch 158 | _NCrunch_* 159 | .*crunch*.local.xml 160 | nCrunchTemp_* 161 | 162 | # MightyMoose 163 | *.mm.* 164 | AutoTest.Net/ 165 | 166 | # Web workbench (sass) 167 | .sass-cache/ 168 | 169 | # Installshield output folder 170 | [Ee]xpress/ 171 | 172 | # DocProject is a documentation generator add-in 173 | DocProject/buildhelp/ 174 | DocProject/Help/*.HxT 175 | DocProject/Help/*.HxC 176 | DocProject/Help/*.hhc 177 | DocProject/Help/*.hhk 178 | DocProject/Help/*.hhp 179 | DocProject/Help/Html2 180 | DocProject/Help/html 181 | 182 | # Click-Once directory 183 | publish/ 184 | 185 | # Publish Web Output 186 | *.[Pp]ublish.xml 187 | *.azurePubxml 188 | # Note: Comment the next line if you want to checkin your web deploy settings, 189 | # but database connection strings (with potential passwords) will be unencrypted 190 | *.pubxml 191 | *.publishproj 192 | 193 | # Microsoft Azure Web App publish settings. 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auto-generated XML schema 380 | FodyWeavers.xsd 381 | 382 | # VS Code files for those working on multiple tools 383 | .vscode/* 384 | !.vscode/settings.json 385 | !.vscode/tasks.json 386 | !.vscode/launch.json 387 | !.vscode/extensions.json 388 | *.code-workspace 389 | 390 | # Local History for Visual Studio Code 391 | .history/ 392 | 393 | # Windows Installer files from build outputs 394 | *.cab 395 | *.msi 396 | *.msix 397 | *.msm 398 | *.msp 399 | 400 | # JetBrains Rider 401 | *.sln.iml 402 | 403 | ## 404 | ## Visual studio for Mac 405 | ## 406 | 407 | 408 | # globs 409 | Makefile.in 410 | *.userprefs 411 | *.usertasks 412 | config.make 413 | config.status 414 | aclocal.m4 415 | install-sh 416 | autom4te.cache/ 417 | *.tar.gz 418 | tarballs/ 419 | test-results/ 420 | 421 | # Mac bundle stuff 422 | *.dmg 423 | *.app 424 | 425 | # content below from: https://github.com/github/gitignore/blob/master/Global/macOS.gitignore 426 | # General 427 | .DS_Store 428 | .AppleDouble 429 | .LSOverride 430 | 431 | # Icon must end with two \r 432 | Icon 433 | 434 | 435 | # Thumbnails 436 | ._* 437 | 438 | # Files that might appear in the root of a volume 439 | .DocumentRevisions-V100 440 | .fseventsd 441 | .Spotlight-V100 442 | .TemporaryItems 443 | .Trashes 444 | .VolumeIcon.icns 445 | .com.apple.timemachine.donotpresent 446 | 447 | # Directories potentially created on remote AFP share 448 | .AppleDB 449 | .AppleDesktop 450 | Network Trash Folder 451 | Temporary Items 452 | .apdisk 453 | 454 | # content below from: https://github.com/github/gitignore/blob/master/Global/Windows.gitignore 455 | # Windows thumbnail cache files 456 | Thumbs.db 457 | ehthumbs.db 458 | ehthumbs_vista.db 459 | 460 | # Dump file 461 | *.stackdump 462 | 463 | # Folder config file 464 | [Dd]esktop.ini 465 | 466 | # Recycle Bin used on file shares 467 | $RECYCLE.BIN/ 468 | 469 | # Windows Installer files 470 | *.cab 471 | *.msi 472 | *.msix 473 | *.msm 474 | *.msp 475 | 476 | # Windows shortcuts 477 | *.lnk 478 | -------------------------------------------------------------------------------- /AfterDelegate/AfterDelegate.csproj: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | Exe 5 | net6.0 6 | enable 7 | enable 8 | 9 | 10 | 11 | -------------------------------------------------------------------------------- /AfterDelegate/Employee.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Collections.Generic; 3 | using System.Linq; 4 | using System.Text; 5 | using System.Threading.Tasks; 6 | 7 | namespace AfterDelegate 8 | { 9 | public class Employee 10 | { 11 | public int Id { get; set; } 12 | public string? Name { get; set; } 13 | public decimal TotalSales { get; set; } 14 | public string? Gender { get; set; } 15 | } 16 | } 17 | -------------------------------------------------------------------------------- /AfterDelegate/Program.cs: -------------------------------------------------------------------------------- 1 | namespace AfterDelegate 2 | { 3 | internal class Program 4 | { 5 | static void Main(string[] args) 6 | { 7 | var emps = new Employee[] 8 | { 9 | new Employee { Id = 1, Name = "Issam A", TotalSales = 65000m, Gender = "M"} , 10 | new Employee { Id = 2, Name = "Reem S", TotalSales = 50000m, Gender = "F"} , 11 | new Employee { Id = 3, Name = "Suzan B", TotalSales = 65000m, Gender = "F"} , 12 | new Employee { Id = 4, Name = "Sara A", TotalSales = 40000m, Gender = "F"} , 13 | new Employee { Id = 5, Name = "Salah S", TotalSales = 42000m, Gender = "M"} , 14 | new Employee { Id = 6, Name = "Rateb A", TotalSales = 30000m, Gender = "M"} , 15 | new Employee { Id = 7, Name = "Abeer C", TotalSales = 16000m, Gender = "F"} , 16 | new Employee { Id = 8, Name = "Marwan M", TotalSales = 15000m, Gender = "M"} , 17 | 18 | }; 19 | 20 | // After Using delegate 21 | 22 | Report report = new Report(); 23 | 24 | 25 | Console.WriteLine("\n================ After Using Delegate ================\n"); 26 | 27 | 28 | report.ProcessEmployees(emps, "Employees with Sales $60,000+ ", IsGreaterThanOrEqual60000); 29 | report.ProcessEmployees(emps, "Employees With Sales Between $30000 And $59999", IsBeteewn30000And59999); 30 | report.ProcessEmployees(emps, "Employees With Sales less than $30000 ", IsLessThan30000); 31 | 32 | // with Annonymous Delegate 33 | 34 | Console.WriteLine("\n================ Using Annonymous Delegate ================\n"); 35 | 36 | 37 | report.ProcessEmployees(emps, "Employees with Sales $60,000+ ", delegate (Employee e) { return e.TotalSales >= 60000m; }); 38 | report.ProcessEmployees(emps, "Employees With Sales Between $30000 And $59999", delegate (Employee e) { return e.TotalSales >= 30000 && e.TotalSales < 60000m; }); 39 | report.ProcessEmployees(emps, "Employees With Sales less than $30000 ", delegate (Employee e) { return e.TotalSales < 30000m; }); 40 | 41 | // with Lambda Expression 42 | 43 | Console.WriteLine("\n================ Using Lambda Expression ================\n"); 44 | 45 | 46 | report.ProcessEmployees(emps, "Employees with Sales $60,000+ ", e => e.TotalSales >= 60000m); 47 | report.ProcessEmployees(emps, "Employees With Sales Between $30000 And $59999", e => e.TotalSales >= 30000 && e.TotalSales < 60000m); 48 | report.ProcessEmployees(emps, "Employees With Sales less than $30000 ", e => e.TotalSales < 30000m); 49 | 50 | Console.ReadKey(); 51 | 52 | } 53 | 54 | 55 | static bool IsGreaterThanOrEqual60000(Employee e) => e.TotalSales >= 60000m; 56 | static bool IsBeteewn30000And59999(Employee e) => e.TotalSales >= 30000 && e.TotalSales < 60000m; 57 | static bool IsLessThan30000(Employee e) => e.TotalSales < 30000m; 58 | 59 | } 60 | } 61 | -------------------------------------------------------------------------------- /AfterDelegate/Report.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Collections.Generic; 3 | using System.Linq; 4 | using System.Text; 5 | using System.Threading.Tasks; 6 | 7 | namespace AfterDelegate 8 | { 9 | public class Report 10 | { 11 | // delegate 12 | public delegate bool IllegibleSales(Employee e); 13 | 14 | public void ProcessEmployees(Employee[] employee, string Title, IllegibleSales illegibleSales) 15 | { 16 | Console.WriteLine(Title); 17 | Console.WriteLine("------------------------------"); 18 | 19 | foreach (Employee e in employee) 20 | { 21 | if (illegibleSales(e)) 22 | Console.WriteLine($"{e.Id} | {e.Name} | {e.Gender} | ${e.TotalSales}"); 23 | } 24 | 25 | Console.WriteLine(); 26 | 27 | } 28 | } 29 | } 30 | -------------------------------------------------------------------------------- /Delegates/BeforeDelegates.csproj: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | Exe 5 | net6.0 6 | enable 7 | enable 8 | 9 | 10 | 11 | -------------------------------------------------------------------------------- /Delegates/Employee.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Collections.Generic; 3 | using System.Linq; 4 | using System.Text; 5 | using System.Threading.Tasks; 6 | 7 | namespace BeforeDelegates 8 | { 9 | public class Employee 10 | { 11 | public int Id { get; set; } 12 | public string? Name { get; set; } 13 | public decimal TotalSales { get; set; } 14 | public string? Gender { get; set; } 15 | } 16 | } 17 | -------------------------------------------------------------------------------- /Delegates/Program.cs: -------------------------------------------------------------------------------- 1 | namespace BeforeDelegates 2 | { 3 | internal class Program 4 | { 5 | static void Main(string[] args) 6 | { 7 | var emps = new Employee[] 8 | { 9 | new Employee { Id = 1, Name = "Issam A", TotalSales = 65000m, Gender = "M"} , 10 | new Employee { Id = 2, Name = "Reem S", TotalSales = 50000m, Gender = "F"} , 11 | new Employee { Id = 3, Name = "Suzan B", TotalSales = 65000m, Gender = "F"} , 12 | new Employee { Id = 4, Name = "Sara A", TotalSales = 40000m, Gender = "F"} , 13 | new Employee { Id = 5, Name = "Salah S", TotalSales = 42000m, Gender = "M"} , 14 | new Employee { Id = 6, Name = "Rateb A", TotalSales = 30000m, Gender = "M"} , 15 | new Employee { Id = 7, Name = "Abeer C", TotalSales = 16000m, Gender = "F"} , 16 | new Employee { Id = 8, Name = "Marwan M", TotalSales = 15000m, Gender = "M"} , 17 | 18 | }; 19 | // Before using Delegate 20 | Console.WriteLine("\n================ Before Using Delegate ================\n"); 21 | 22 | Report report = new Report(); 23 | report.ProcessEmployee60000PlusSales(emps); 24 | report.ProcessEmployeesWithSalesBetween30000And59999(emps); 25 | report.ProcessEmployeesWithSalesLess30000(emps); 26 | 27 | Console.ReadKey(); 28 | } 29 | 30 | } 31 | 32 | 33 | } -------------------------------------------------------------------------------- /Delegates/Report.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Collections.Generic; 3 | using System.Linq; 4 | using System.Text; 5 | using System.Threading.Tasks; 6 | 7 | namespace BeforeDelegates 8 | { 9 | public class Report 10 | { 11 | public void ProcessEmployee60000PlusSales(Employee[] employee) 12 | { 13 | Console.WriteLine("Employees with $60,000+ Sales"); 14 | Console.WriteLine("------------------------------"); 15 | 16 | foreach (Employee e in employee) 17 | { 18 | if (e.TotalSales >= 60000m) 19 | Console.WriteLine($"{e.Id} | {e.Name} | {e.Gender} | ${e.TotalSales}"); 20 | } 21 | 22 | Console.WriteLine(); 23 | 24 | } 25 | 26 | public void ProcessEmployeesWithSalesBetween30000And59999(Employee[] employee) 27 | { 28 | Console.WriteLine("Employees With Sales Between $30000 And $59999 "); 29 | Console.WriteLine("------------------------------"); 30 | 31 | foreach (Employee e in employee) 32 | { 33 | if (e.TotalSales < 60000m && e.TotalSales >= 30000) 34 | Console.WriteLine($"{e.Id} | {e.Name} | {e.Gender} | ${e.TotalSales}"); 35 | } 36 | Console.WriteLine(); 37 | 38 | } 39 | 40 | public void ProcessEmployeesWithSalesLess30000(Employee[] employee) 41 | { 42 | Console.WriteLine("Employees With Sales less $30000 A "); 43 | Console.WriteLine("------------------------------"); 44 | 45 | foreach (Employee e in employee) 46 | { 47 | if (e.TotalSales < 30000) 48 | Console.WriteLine($"{e.Id} | {e.Name} | {e.Gender} | ${e.TotalSales}"); 49 | } 50 | Console.WriteLine(); 51 | 52 | } 53 | 54 | 55 | 56 | } 57 | } 58 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2021 Metigator 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /MulticastDelegate/MulticastDelegate.csproj: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | Exe 5 | net6.0 6 | enable 7 | enable 8 | 9 | 10 | 11 | -------------------------------------------------------------------------------- /MulticastDelegate/Program.cs: -------------------------------------------------------------------------------- 1 | namespace MulticastDelegate 2 | { 3 | public delegate void RecDelegate(decimal width, decimal height); 4 | 5 | internal class Program 6 | { 7 | 8 | static void Main(string[] args) 9 | { 10 | 11 | var helper = new RectangleHelper(); 12 | helper.GetArea(10, 10); 13 | helper.GetPerimeter(10, 10); 14 | 15 | // After Delegate 16 | Console.WriteLine("After Delegate"); 17 | RecDelegate rect; 18 | rect = helper.GetPerimeter; 19 | rect += helper.GetArea; 20 | rect(10, 10); 21 | 22 | rect -= helper.GetArea; // unsubscribing 23 | 24 | Console.WriteLine("After unsbuscribing rect.Area"); 25 | 26 | rect(10, 10); 27 | 28 | Console.ReadKey(); 29 | } 30 | } 31 | 32 | 33 | public class RectangleHelper 34 | { 35 | public void GetArea(decimal width, decimal height) 36 | { 37 | var result = width * height; 38 | Console.WriteLine($" Area = {width} x {height} = {result}"); 39 | } 40 | 41 | public void GetPerimeter(decimal width, decimal height) 42 | { 43 | var result = 2 * (width + height); 44 | Console.WriteLine($" Perimeter = 2 x ({width} + {height}) = {result}"); 45 | } 46 | } 47 | } 48 | --------------------------------------------------------------------------------