| Overload | Description | 
|---|---|
| CanSendBackward(Element) | Checks whether the given element can be moved back within its parent's element collection. This method must be called on the MCT. Use QueuedTask.Run. | 
| CanSendBackward(IEnumerable<Element>) | Checks whether the given elements can be moved back within their parent's element collection. This method must be called on the MCT. Use QueuedTask.Run. |