Create onClick event

__property CodeEventReferenceExpression* get_Event();

__property void set_Event(CodeEventReferenceExpression*);

public class UserControl1 : System.Windows.Forms.UserControl {
  
  // ...
  
  public event EventHandler OnClick;
  
  // ...
  
  public void SomeFuncWhichFiresClickEvent() {  
    // ...
    
    // fire event
    if (OnClick != null)
      OnClick(this, new EventArgs());    
  }
  
  // ...
 
}

__gc class YourClass {

public:
   __event ClickEventHandler* OnClick;  // declare the event 

   void FireEvents() {
      OnClick(0, 1);
   }

};