Checks if the given iter is a valid iter for this gtk.tree_store.TreeStore.
This function is slow. Only use it for debugging and/or testing purposes.
the iterator to check
true if the iter is valid, and false otherwise
Deprecated: Use gtk.tree_list_model.TreeListModel instead
Checks if the given iter is a valid iter for this gtk.tree_store.TreeStore.
This function is slow. Only use it for debugging and/or testing purposes.