Warning gtk_quit_remove_by_data is deprecated and should not be used in newly-written code. This function is going to be removed in GTK+ 3.0 Removes a quit handler identified by its data field.
The pointer passed as data to gtk_quit_add() or gtk_quit_add_full().
See Implementation
Warning gtk_quit_remove_by_data is deprecated and should not be used in newly-written code. This function is going to be removed in GTK+ 3.0 Removes a quit handler identified by its data field.