Warning gtk_widget_get_composite_name has been deprecated since version 3.10 and should not be used in newly-written code. Use gtk_widget_class_set_template(), or don't use this API at all. Obtains the composite name of a widget.
the composite name of widget, or NULL if widget is not a composite child. The string should be freed when it is no longer needed.
See Implementation
Warning gtk_widget_get_composite_name has been deprecated since version 3.10 and should not be used in newly-written code. Use gtk_widget_class_set_template(), or don't use this API at all. Obtains the composite name of a widget.