ComponentOne Basic Library for UWP
Expanding Event (C1TreeViewItem)

C1.UWP Assembly > C1.Xaml Namespace > C1TreeViewItem Class : Expanding Event
Occurs before the C1TreeViewItem is expanded.
Syntax
'Declaration
 
Public Event Expanding As System.EventHandler(Of SourcedEventArgs)
public event System.EventHandler<SourcedEventArgs> Expanding
Event Data

The event handler receives an argument of type SourcedEventArgs containing data related to this event. The following SourcedEventArgs properties provide information specific to this event.

PropertyDescription
Gets or sets the source of the event.  
See Also