RAD Studio VCL Reference
TControl.DragCanceled Method

Provides the interface for a method that responds to the cancellation of a drag.

procedure DragCanceled; dynamic;
__fastcall DragCanceled();

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. 


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