Sets the type of the columns in a tree store.
This function is meant primarily for types that inherit from gtk.tree_store.TreeStore, and should only be used when constructing a new gtk.tree_store.TreeStore.
This functions cannot be called after a row has been added, or a method on the gtk.tree_model.TreeModel interface is called on the tree store.
An array of gobject.types.TYPE_FLAG_RESERVED_ID_BIT types, one for each column
Deprecated: Use gtk.tree_list_model.TreeListModel instead
Sets the type of the columns in a tree store.
This function is meant primarily for types that inherit from gtk.tree_store.TreeStore, and should only be used when constructing a new gtk.tree_store.TreeStore.
This functions cannot be called after a row has been added, or a method on the gtk.tree_model.TreeModel interface is called on the tree store.