XmDragIcon
#include <Xm/DragIcon.h>
XmCreateDragIcon
XmNdepth
XmNwidth
XmNheight
XmNhotX
XmNhotY
XmNmask
XmNpixmap
XmNoffsetX
XmNoffsetY
XmNattachment
Object(3) XmDragIcon(3)