A very simple event demonstration : delegate Event « Language Basics « C# / C Sharp

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C# / C Sharp » Language Basics » delegate EventScreenshots 
A very simple event demonstration
A very simple event demonstration

/*
C#: The Complete Reference 
by Herbert Schildt 

Publisher: Osborne/McGraw-Hill (March 8, 2002)
ISBN: 0072134852
*/


// A very simple event demonstration. 
  
using System; 
 
// Declare a delegate for an event.  
delegate void MyEventHandler()
 
// Declare an event class. 
class MyEvent 
  public event MyEventHandler SomeEvent; 
 
  // This is called to fire the event. 
  public void OnSomeEvent() { 
    if(SomeEvent != null
      SomeEvent()
  

 
public class EventDemo 
  // An event handler. 
  static void handler() { 
    Console.WriteLine("Event occurred")
  
 
  public static void Main() {  
    MyEvent evt = new MyEvent()
 
    // Add handler() to the event list. 
    evt.SomeEvent += new MyEventHandler(handler)
 
    // Fire the event. 
    evt.OnSomeEvent()
  




           
       
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