sheet_menu->Append(DIALOGS_PROPERTY_SHEET, _T("&Standard property sheet\tShift-Ctrl-P"));
sheet_menu->Append(DIALOGS_PROPERTY_SHEET_TOOLBOOK, _T("&Toolbook sheet\tShift-Ctrl-T"));
sheet_menu->Append(DIALOGS_PROPERTY_SHEET, _T("&Standard property sheet\tShift-Ctrl-P"));
sheet_menu->Append(DIALOGS_PROPERTY_SHEET_TOOLBOOK, _T("&Toolbook sheet\tShift-Ctrl-T"));