ComponentOne Basic Library for WPF and Silverlight
IsExpandedChanged Event (C1TreeViewItem)


C1.WPF Namespace > C1TreeViewItem Class : IsExpandedChanged Event
Event raised when the IsExpanded property has changed.
Syntax
'Declaration
 

<System.ObsoleteAttribute("Use Expanding/Expanded and Collapsing/Collapsed events instead")>
Public Event IsExpandedChanged As System.EventHandler(Of PropertyChangedEventArgs(Of Boolean))
'Usage
 

Dim instance As C1TreeViewItem
Dim handler As System.EventHandler(Of PropertyChangedEventArgs(Of Boolean))
 
AddHandler instance.IsExpandedChanged, handler
[System.Obsolete("Use Expanding/Expanded and Collapsing/Collapsed events instead")]
public event System.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.

PropertyDescription
NewValueThe value of the property after the change.  
OldValueThe value of the property before the change.  
See Also

Reference

C1TreeViewItem Class
C1TreeViewItem Members

 

 

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