* "drag.gadget"
##base _DragBase
##bias 30
CreateDContext(scr)(a0)
DeleteDContext(dc)(a0)
AddDropWindow(dc,id,ud,win,port)(a2,d0/d2,a0/a1)
RemoveDropWindow(dw)(a0)
NewDragGroup()()
FreeDragGroup(draggroup)(a0)
##end
