'Declaration
<ObsoleteAttribute("Use Expanding/Expanded and Collapsing/Collapsed events instead")> Public Event IsExpandedChanged As EventHandler(Of PropertyChangedEventArgs(Of Boolean))
[Obsolete("Use Expanding/Expanded and Collapsing/Collapsed events instead")] public event EventHandler<PropertyChangedEventArgs<bool>> IsExpandedChanged
Event Data
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. |
See Also