A Drag and Drop function that terminates a drag transaction
Format
#include <Xm/DragDrop.h> void XmDragCancel Widget dragcontext
DESCRIPTION
XmDragCancel terminates a drag operation and cancels any pending actions of the specified DragContext. This routine can only be called by the initiator client.
For a complete definition of DragContext and its associated resources, see XmDragContext (3).
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