Leadtools.Windows.Annotations Namespace > AnnObject Class : OnHeaderChanged Method |
protected virtual void OnHeaderChanged( RoutedPropertyChangedEventArgs<string> e )
'Declaration Protected Overridable Sub OnHeaderChanged( _ ByVal e As RoutedPropertyChangedEventArgs(Of String) _ )
'Usage Dim instance As AnnObject Dim e As RoutedPropertyChangedEventArgs(Of String) instance.OnHeaderChanged(e)
protected virtual void OnHeaderChanged( RoutedPropertyChangedEventArgs<string> e )
function Leadtools.Windows.Annotations.AnnObject.OnHeaderChanged( e )
protected: virtual void OnHeaderChanged( RoutedPropertyChangedEventArgs<String^>^ e )
Raising an event invokes the event handler through a delegate.
The OnHeaderChanged 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 OnHeaderChanged in a derived class, be sure to call the base class's OnHeaderChanged method so that registered delegates receive the event.
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2