            ASSERT(classicState == (DFCS_BUTTONCHECK | DFCS_PUSHED));
            ctype = WebThemeControlDRTWin::IndeterminateCheckboxType;
            cstate = WebThemeControlDRTWin::PressedState;
            break;

        case CBS_MIXEDDISABLED:
            ASSERT(classicState == (DFCS_BUTTONCHECK | DFCS_INACTIVE));
            ctype = WebThemeControlDRTWin::IndeterminateCheckboxType;
            cstate = WebThemeControlDRTWin::DisabledState;
            break;

        default: