procedure DragCanceled; dynamic;
DYNAMIC void __fastcall DragCanceled();
Provides the interface for a method that responds to the cancellation of a drag.
DragCanceled is called automatically when a drag operation is canceled. As implemented in TControl, DragCanceled does nothing. When creating a component that descends from TControl, override DragCanceled to provide code that executes when a drag-and-drop or drag-and-dock operation is canceled.