To remove delegates from a multicast delegate, use the Remove method, the minus operator (-), or the -= assignment operator. : delegate « Language Basics « C# / C Sharp

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C# / C Sharp » Language Basics » delegateScreenshots 
To remove delegates from a multicast delegate, use the Remove method, the minus operator (-), or the -= assignment operator.
 

using System;

public delegate void DelegateClass();

public class Starter {
    public static void Main(){
         DelegateClass del=MethodA;
         del+=MethodB;
         del+=MethodC;
         del=del-MethodB;
         del();
     }
    public static void MethodA() {
        Console.WriteLine("MethodA...");
    }

    public static void MethodB() {
        Console.WriteLine("MethodB...");
    }

    public static void MethodC() {
        Console.WriteLine("MethodC...");
    }
}

 
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21.The publisher/subscriber relationship is a one-to-many relationship.
22.Lifetime of outer variables is aligned with the delegate
23.Combining delegates Multiple delegates are combined using the Combine method, the plus operator (+), or the += assignment operator.
24.CreateDelegate and DynamicInvoke
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