Public ReadOnly Property ChangedButton As MouseButton

Dim instance As MouseButtonEventArgs
Dim value As MouseButton
 
value = instance.ChangedButton

public MouseButton ChangedButton {get;}

public read-only property ChangedButton: MouseButton; 

public function get ChangedButton : MouseButton

public: __property MouseButton get_ChangedButton();

public:
property MouseButton ChangedButton {
   MouseButton get();
}