Get event source from event arguments : Generic Event : GUI Windows Forms C# Examples

    
using  System;  
using  System.Windows.Forms;  
using  System.Drawing;  
  
class  GetEventSourceFromEventArguments  :  Form  {  
    Button  MyButton  =  new  Button();  
  
    public  GetEventSourceFromEventArguments()  {  
        Text  =  "Respond  to  a  Button";  
  
        MyButton  =  new  Button();  
        MyButton.Text  =  "Press  Here";  
        MyButton.Location  =  new  Point(100,  200);  
  
        //  Add  button  event  handler  to  list.  
        MyButton.Click  +=  MyButtonClick;  
  
        Controls.Add(MyButton);  
    }      
  
    [STAThread]  
    public  static  void  Main()  {  
        GetEventSourceFromEventArguments  skel  =  new  GetEventSourceFromEventArguments();  
  
        Application.Run(skel);  
    }  
  
    //  Handler  for  MyButton.  
    protected  void  MyButtonClick(object  who,  EventArgs  e)  {  
            Button  b  =  (Button)  who;    
            
            if(b.Top  ==  200)    
                b.Location  =  new  Point(10,  10);    
            else    
                b.Location  =  new  Point(100,  200);  
    }  
}