Deprecatedcontext: Gdk.DragContextthe context for a drag (This must be called with a context for the source side of a drag)
Deprecatedstock_id: stringthe ID of the stock icon to use for the drag
Deprecatedhot_x: numberthe X offset within the icon of the hotspot
Deprecatedhot_y: numberthe Y offset within the icon of the hotspot
Sets the icon for a given drag from a stock ID.