Warning gtk_widget_has_rc_style has been deprecated since version 3.0 and should not be used in newly-written code. Use GtkStyleContext instead Determines if the widget style has been looked up through the rc mechanism. Since 2.20
TRUE if the widget has been looked up through the rc mechanism, FALSE otherwise.
See Implementation
Warning gtk_widget_has_rc_style has been deprecated since version 3.0 and should not be used in newly-written code. Use GtkStyleContext instead Determines if the widget style has been looked up through the rc mechanism. Since 2.20