[C#] Delegate

  using System;

  namespace Delegate
  {
    class Program
    {
      delegate int OnClicked();

      static void ButtonPressed(OnClicked clickedFunction)
      {
        clickedFunction();
      }


      static int TestDelegate()
      {
        Console.WriteLine("Hello Delegate!");
        return 0;
      }
      
      static int TestDelegate2()
      {
        Console.WriteLine("Hello Delegate 2!");
        return 0;
      }

      static void Main(string[] args)
      {
        OnClicked clicked = new OnClicked(TestDelegate);
        clicked += TestDelegate2;

        ButtonPressed(clicked);
      }
    }
  }