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  1. using System;
  2.  
  3. public class Test
  4. {
  5. 	private static DeviredExample _devired;
  6. 	public static void Main()
  7. 	{
  8. 		_devired = new DeviredExample();
  9. 		_devired.CallMethod += (sender, message) =>
  10.         {
  11. 			Console.WriteLine(message);
  12.         };
  13.         _devired.SayHello();
  14. 	}
  15. }
  16.  
  17.     public class Example
  18.     {
  19.         public void SayHello() => Console.WriteLine("Hello");
  20.     }
  21.  
  22.     public class DeviredExample : Example
  23.     {
  24.         public delegate void MethodCall(object sender, string message);
  25.  
  26.         public event MethodCall CallMethod;
  27.         protected virtual void OnCallMethod(string message, Action callback)
  28.         {
  29.             callback?.Invoke();
  30.             CallMethod?.Invoke(this, message);
  31.         }
  32.  
  33.         public new void SayHello()
  34.         {
  35.             OnCallMethod("Say hello called", () => base.SayHello());
  36.         }
  37.     }
Success #stdin #stdout 0.02s 14664KB
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stdin
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Standard input is empty
stdout
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Hello
Say hello called
https://ideone.com/PiWlQU
language:
C# (gmcs 5.20.1)
created:
8 years ago
visibility:
public

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