Retrieves whether the user can reorder the tree via drag-and-drop. See gtk.tree_view.TreeView.setReorderable.
true if the tree can be reordered.
Deprecated: Use gtk.list_view.ListView or gtk.column_view.ColumnView instead
Retrieves whether the user can reorder the tree via drag-and-drop. See gtk.tree_view.TreeView.setReorderable.