Leadtools.Windows.Annotations Namespace > AnnObject Class : OnHeaderFontStyleChanged Method |
protected virtual void OnHeaderFontStyleChanged( RoutedPropertyChangedEventArgs<AnnFontStyle> e )
'Declaration Protected Overridable Sub OnHeaderFontStyleChanged( _ ByVal e As RoutedPropertyChangedEventArgs(Of AnnFontStyle) _ )
'Usage Dim instance As AnnObject Dim e As RoutedPropertyChangedEventArgs(Of AnnFontStyle) instance.OnHeaderFontStyleChanged(e)
protected: virtual void OnHeaderFontStyleChanged( RoutedPropertyChangedEventArgs<AnnFontStyle>^ e )
Raising an event invokes the event handler through a delegate.
The OnHeaderFontStyleChanged 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.
Notes to Inheritors: When overriding OnHeaderFontStyleChanged in a derived class, be sure to call the base class's OnHeaderFontStyleChanged method so that registered delegates receive the event.