In order to access the initially checked item in tri state mode, a new EventArgs class was introduced with the Q2 SP1 release - RadTreeViewCheckEventArgs
which inherits RadRoutedEventArgs
and contains the boolean property IsUserInitiated
. This property indicates whether the item is the initially checked one.
Therefore, when handling the Checked()
event you can cast the e
parameter (of type RadRoutedEventArgs
) to RadTreeViewCheckEventArgs
and if the IsUserInitiated
property is true
, then the source of the event is the initially checked item. You can find more info in this forum thread
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