GtkWidget * gtk_multi_vpaned_get_widget(GtkMultiVPaned * multi_vpaned);
GtkWidget * gtk_multi_vpaned_get_first_widget(GtkMultiVPaned * multi_vpaned);
GtkWidget * gtk_multi_vpaned_get_next_widget(GtkMultiVPaned * multi_vpaned);
GtkWidget * gtk_multi_vpaned_get_widget(GtkMultiVPaned * multi_vpaned);
GtkWidget * gtk_multi_vpaned_get_first_widget(GtkMultiVPaned * multi_vpaned);
GtkWidget * gtk_multi_vpaned_get_next_widget(GtkMultiVPaned * multi_vpaned);