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RadListElementItemsChanging Event
This event fires right before adding, removing or setting an item. This event will not fire if an item is added to a data source directly because there is no way for RadListElement to be notified before the change.

Namespace: Telerik.WinControls.UI
Assembly: Telerik.WinControls.UI (in Telerik.WinControls.UI.dll) Version: 2018.3.1016.40 (2018.3.1016.40)
public event NotifyCollectionChangingEventHandler ItemsChanging


Type: Telerik.WinControls.DataNotifyCollectionChangingEventHandler
See Also