public event EventHandler<CancelEventArgs> ClosingPublic Event Closing As EventHandler(Of CancelEventArgs)public:
event EventHandler<CancelEventArgs^>^ Closing {
void add (EventHandler<CancelEventArgs^>^ value);
void remove (EventHandler<CancelEventArgs^>^ value);
}member Closing : IEvent<EventHandler<CancelEventArgs>,
CancelEventArgs>