1. public event EventHandler OkClick;
  2. protected virtual void OnOkClick(EventArgs e)
  3. {
  4. if (OkClick != null) OkClick(this, e);
  5. }
  6.  
  7. OnOkClick(EventArgs.Empty);
  8.  
  9. protected override void OnOkClick(EventArgs e)
  10. {
  11. // do some stuff before the event is fired
  12. base.OnOkClick(e);
  13. // do some stuff after the event is fired
  14. }