add_subwindow(st_err_warn = new ShBtnErrWarn(this, x1, y));
y = get_h() - ShBtnTextOK::calculate_h() - 10;
add_subwindow(new ShBtnTextOK(this, x, y));
show_window();
add_subwindow(st_err_warn = new ShBtnErrWarn(this, x1, y));
y = get_h() - ShBtnTextOK::calculate_h() - 10;
add_subwindow(new ShBtnTextOK(this, x, y));
show_window();