GtkMultiVPaned * multi_vpaned = (GtkMultiVPaned*)multi_vpaned_arg;
gdouble value = gtk_adjustment_get_value(adjust);
gdouble upper, lower, ratio;
GtkMultiVPaned * multi_vpaned = (GtkMultiVPaned*)multi_vpaned_arg;
gdouble value = gtk_adjustment_get_value(adjust);
gdouble upper, lower, ratio;