Thank you for writing.
Here is how to subscribe to the event:
and here is how to identify the move operation:
e.Action = Telerik.WinControls.Data.NotifyCollectionChangedAction.Move
'a column has been moved from e.OldStartingIndex to e.NewStartingIndex. The column can be accessed in e.NewItems(0)
I hope that you find this information useful. Should you have any other questions, do not hesitate to contact us.
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