C# for Programmers: A Practical Guide/

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Multicasting

Multicasting

This lesson spans over multicast delegates, which is an integral part of delegates in C#.

We'll cover the following...

Example

Fun part in using delegates is that you can point to multiple functions using them, at the same time. This means that by calling a single delegate, you can actually invoke as many functions as you want.

Let’s look at the example:

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using System;
delegate void Procedure();
class DelegateDemo
{
    public static void Method1()
    {
        Console.WriteLine("Method 1");
    }
    public static void Method2()
    {
        Console.WriteLine("Method 2");
    }
    public void Method3()
    {
        Console.WriteLine("Method 3");
    }
    static void Main()
    {
        Procedure someProcs = null;
        someProcs += new Procedure(DelegateDemo.Method1);
        someProcs += new Procedure(Method2);  // Example with omitted class name
        DelegateDemo demo = new DelegateDemo();
        someProcs += new Procedure(demo.Method3);
        someProcs();
    }
}
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