On Region Changed(EventArgs) Method
Raises the RegionChanged event.
protected: virtual void OnRegionChanged(EventArgs ^ e);
protected virtual void OnRegionChanged (EventArgs e);
abstract member OnRegionChanged : EventArgs -> unit override this.OnRegionChanged : EventArgs -> unit
Protected Overridable Sub OnRegionChanged (e As EventArgs)
Raising an event invokes the event handler through a delegate. For more information, see Handling and Raising Events.
The OnRegionChanged 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.