+ // sets the default action for drag and drop:
+ // use wxDragMove or wxDragCopy to set deafult action to move or copy
+ // and use wxDragNone (default) to set default action specified by
+ // initialization of draging (see wxDropSourceBase::DoDragDrop())
+ void SetDefaultAction(wxDragResult action);
+
+ // returns default action for drag and drop or
+ // wxDragNone if this not specified
+ wxDragResult GetDefaultAction();