On Invalidated(InvalidateEventArgs) Method
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Raises the Invalidated event.
protected: virtual void OnInvalidated(System::Windows::Forms::InvalidateEventArgs ^ e);
protected virtual void OnInvalidated (System.Windows.Forms.InvalidateEventArgs e);
abstract member OnInvalidated : System.Windows.Forms.InvalidateEventArgs -> unit override this.OnInvalidated : System.Windows.Forms.InvalidateEventArgs -> unit
Protected Overridable Sub OnInvalidated (e As InvalidateEventArgs)
Raising an event invokes the event handler through a delegate. For more information, see Handling and Raising Events.
The OnInvalidated method also allows derived classes to handle the event without attaching a delegate. This is the preferred technique for handling the event in a derived class.