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OnItemDropping
This event is fired when a TreeListDataItem is being dropped. This event can be canceled.
| Fired by | RadTreeList |
| Arguments | get_destinationHtmlElement() - the destination HTML element |
| set_destinationHtmlElement() - sets the destination HTML element | |
| get_draggedItems() - a collection of the dragged TreeListDataItems | |
| get_isOverHeaderItem() - bool indicating whether the dragged item is over the header item | |
| get_targetDataItem() - gets the target TreeListDataItem | |
| get_cancel() - bool | |
| set_cancel(bool) | |
| Can be canceled | Yes |