Xmdropsiteupdate a drag and drop function that sets resource values for a drop site "xmdropsiteupdate" "drag and drop functions" "xmdropsiteupdate"
#include <Xm/DragDrop.h> void XmDropSiteUpdate( Widget widget, ArgList arglist, Cardinal argcount);
XmDropSiteUpdate modifies drop site resources associated with the specified widget. This routine updates the drop site resources specified in the arglist.
Specifies the ID of the widget registered as a drop site
Specifies the argument list
Specifies the number of attribute/value pairs in the argument list (arglist)
For a complete definition of DropSite and its associated resources, see XmDropSite(3).