Sets the model for a #GtkEntryCompletion. If @completion already has a model set, it will remove it before setting the new model. If model is %NULL, then it will unset the model.
the #GtkTreeModel
2.4
See Implementation
Sets the model for a #GtkEntryCompletion. If @completion already has a model set, it will remove it before setting the new model. If model is %NULL, then it will unset the model.