Public Delegate Sub WindowEventHandler( _
   ByVal sender As Object, _
   ByVal e As WindowEventArgs _
) 

Dim instance As New WindowEventHandler(AddressOf HandlerMethod)

public delegate void WindowEventHandler( 
   object sender,
   WindowEventArgs e
)

public delegate WindowEventHandler( 
    sender: TObject;
    e: WindowEventArgs
);

public delegate WindowEventHandler( 
   sender : Object,
   e : WindowEventArgs
)

public: __gc __delegate void WindowEventHandler( 
   Object* sender,
   WindowEventArgs* e
)

public delegate void WindowEventHandler( 
   Object^ sender,
   WindowEventArgs^ e
)