Selects one of the actions offered by the drag source. This function is called by the drag destination in response to gdk_drag_motion() called by the drag source.
the selected action which will be taken when a drop happens, or 0 to indicate that a drop will not be accepted.
the timestamp for this operation.
See Implementation
Selects one of the actions offered by the drag source. This function is called by the drag destination in response to gdk_drag_motion() called by the drag source.