C1.WPF Namespace > C1TreeViewItem Class : IsExpandedChanged Event |
'Declaration
<ObsoleteAttribute("Use Expanding/Expanded and Collapsing/Collapsed events instead")> Public Event IsExpandedChanged As EventHandler(Of PropertyChangedEventArgs(Of Boolean))
'Usage
Dim instance As C1TreeViewItem Dim handler As EventHandler(Of PropertyChangedEventArgs(Of Boolean)) AddHandler instance.IsExpandedChanged, handler
[Obsolete("Use Expanding/Expanded and Collapsing/Collapsed events instead")] public event EventHandler<PropertyChangedEventArgs<bool>> IsExpandedChanged
[Obsolete("Use Expanding/Expanded and Collapsing/Collapsed events instead")] public: event EventHandler<PropertyChangedEventArgs<bool>^>^ IsExpandedChanged
The event handler receives an argument of type PropertyChangedEventArgs<T> containing data related to this event. The following PropertyChangedEventArgs<T> properties provide information specific to this event.
Property | Description |
---|---|
NewValue | The value of the property after the change. |
OldValue | The value of the property before the change. |
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