Turns tree_view into a drag source for automatic DND. Calling this method sets gtk.tree_view.TreeView:reorderable to false.
Mask of allowed buttons to start drag
the target formats that the drag will support
the bitmask of possible actions for a drag from this widget
Deprecated: Use gtk.list_view.ListView or gtk.column_view.ColumnView instead
Turns tree_view into a drag source for automatic DND. Calling this method sets gtk.tree_view.TreeView:reorderable to false.