Multicast Delegates

Author: ibrahimatay

CsharpLangExamples.sln

@@ -71,6 +71,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TheLockStatement", "TheLock
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "UserDefinedConversionOperators", "UserDefinedConversionOperators\UserDefinedConversionOperators.csproj", "{CCD3ED3C-6C34-4F9E-A422-79479625FC75}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MulticastDelegates", "MulticastDelegates\MulticastDelegates.csproj", "{CA03B883-1055-404B-920C-E52B8D3F4DB0}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -213,6 +215,10 @@ Global
 		{CCD3ED3C-6C34-4F9E-A422-79479625FC75}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{CCD3ED3C-6C34-4F9E-A422-79479625FC75}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{CCD3ED3C-6C34-4F9E-A422-79479625FC75}.Release|Any CPU.Build.0 = Release|Any CPU
+		{CA03B883-1055-404B-920C-E52B8D3F4DB0}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{CA03B883-1055-404B-920C-E52B8D3F4DB0}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{CA03B883-1055-404B-920C-E52B8D3F4DB0}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{CA03B883-1055-404B-920C-E52B8D3F4DB0}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

MulticastDelegates/MulticastDelegates.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

MulticastDelegates/Program.cs

@@ -0,0 +1,25 @@
+internal class Program
+{
+    // How to combine delegates (Multicast Delegates) (C# Programming Guide)
+    // https://learn.microsoft.com/en-us/dotnet/csharp/programming-guide/delegates/how-to-combine-delegates-multicast-delegates
+
+    // Delegates, Multicast delegates and Events in C# - Notes
+    // https://www.codeproject.com/Articles/1061085/Delegates-Multicast-delegates-and-Events-in-Csharp
+
+    static void Hello(string s) => Console.WriteLine("Hello, {0}", s);
+    static void GoodBye(string s) => Console.WriteLine("Goodbye, {0}", s);
+
+    private static void Main(string[] args)
+    {
+        CustomCallback hello, goodbye, multiDelegation;
+
+        hello = new CustomCallback(Hello);
+        goodbye = new CustomCallback(GoodBye);
+
+        multiDelegation = hello + goodbye;
+
+        multiDelegation("İbrahim");
+    }
+}
+
+delegate void CustomCallback(String s);

README.md

@@ -53,8 +53,9 @@ Examples of C# programming, with the goal of tracking and staying up-to-date wit
 * C# 6
   * [Using static directive](UsingStaticDirective/) 
   * [Collection initializers](CollectionInitializers/)
-* C# 4
+* C# 4 & others
   * [Dynamic types](DynamicTypes/)
+  * [Multicast Delegates](MulticastDelegates/)
 
 ## Notes
 - [Which C# version is included in which framework version?](https://learn.microsoft.com/en-us/dotnet/csharp/language-reference/configure-language-version)