Asks the gtk.tree_drag_source.TreeDragSource whether a particular row can be used as the source of a DND operation. If the source doesn’t implement this interface, the row is assumed draggable.
row on which user is initiating a drag
true if the row can be dragged
Deprecated: Use list models instead
Asks the gtk.tree_drag_source.TreeDragSource whether a particular row can be used as the source of a DND operation. If the source doesn’t implement this interface, the row is assumed draggable.