- gtk_widget_hide_all (SCROLLBAR_GTK_WIDGET (instance));
- gtk_widget_destroy (SCROLLBAR_GTK_WIDGET (instance));
- }
+ if (SCROLLBAR_GTK_WIDGET (instance))
+ {
+ gtk_widget_hide_all (SCROLLBAR_GTK_WIDGET (instance));
+ gtk_widget_destroy (SCROLLBAR_GTK_WIDGET (instance));
+ }