XmDropSiteUnregister - A Drag and Drop function that frees drop site information
#include <Xm/DragDrop.h> void XmDropSiteUnregister (widget) Widget widget;
XmDropSiteUnregister informs the toolkit that the specified widget is no longer a registered drop site. The function frees all associated drop site information.
For a complete definition of DropSite and its associated resources, see XmDropSite(3X).