Public Delegate Sub MouseEventHandler( _
   ByVal sender As Object, _
   ByVal e As MouseEventArgs _
) 

Dim instance As New MouseEventHandler(AddressOf HandlerMethod)

public delegate void MouseEventHandler( 
   object sender,
   MouseEventArgs e
)

public delegate MouseEventHandler( 
    sender: TObject;
    e: MouseEventArgs
);

public delegate MouseEventHandler( 
   sender : Object,
   e : MouseEventArgs
)

public: __gc __delegate void MouseEventHandler( 
   Object* sender,
   MouseEventArgs* e
)

public delegate void MouseEventHandler( 
   Object^ sender,
   MouseEventArgs^ e
)