FWL_ERR CFWL_DateTimePickerImp::DisForm_Update() {
  if (m_iLock) {
    return FWL_ERR_Indefinite;
  }
  if (!m_pProperties->m_pThemeProvider) {
    m_pProperties->m_pThemeProvider = GetAvailableTheme();
  }
  m_pEdit->SetThemeProvider(m_pProperties->m_pThemeProvider);
  GetClientRect(m_rtClient);
  m_pEdit->SetWidgetRect(m_rtClient);
  ReSetEditAlignment();
  m_pEdit->Update();
  if (m_pMonthCal->GetThemeProvider() == NULL) {
    m_pMonthCal->SetThemeProvider(m_pProperties->m_pThemeProvider);
  }
  if (m_pProperties->m_pDataProvider) {
    IFWL_DateTimePickerDP* pData =
        static_cast<IFWL_DateTimePickerDP*>(m_pProperties->m_pDataProvider);
    pData->GetToday(m_pInterface, m_MonthCalendarDP.m_iCurYear,
                    m_MonthCalendarDP.m_iCurMonth, m_MonthCalendarDP.m_iCurDay);
  }
  FX_FLOAT* pWidth =
      static_cast<FX_FLOAT*>(GetThemeCapacity(FWL_WGTCAPACITY_ScrollBarWidth));
  if (!pWidth)
    return 0;
  m_fBtn = *pWidth;
  CFX_RectF rtMonthCal;
  m_pMonthCal->GetWidgetRect(rtMonthCal, TRUE);
  CFX_RectF rtPopUp;
  rtPopUp.Set(rtMonthCal.left, rtMonthCal.top + FWL_DTP_HEIGHT,
              rtMonthCal.width, rtMonthCal.height);
  m_pMonthCal->SetWidgetRect(rtPopUp);
  m_pMonthCal->Update();
  return FWL_ERR_Succeeded;
}
void IFWL_DateTimePicker::DisForm_Update() {
  if (m_iLock)
    return;
  if (!m_pProperties->m_pThemeProvider)
    m_pProperties->m_pThemeProvider = GetAvailableTheme();

  m_pEdit->SetThemeProvider(m_pProperties->m_pThemeProvider);
  GetClientRect(m_rtClient);
  m_pEdit->SetWidgetRect(m_rtClient);
  ResetEditAlignment();
  m_pEdit->Update();

  if (!m_pMonthCal->GetThemeProvider())
    m_pMonthCal->SetThemeProvider(m_pProperties->m_pThemeProvider);
  if (m_pProperties->m_pDataProvider) {
    IFWL_DateTimePickerDP* pData =
        static_cast<IFWL_DateTimePickerDP*>(m_pProperties->m_pDataProvider);
    pData->GetToday(this, m_iCurYear, m_iCurMonth, m_iCurDay);
  }

  FX_FLOAT* pWidth = static_cast<FX_FLOAT*>(
      GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth));
  if (!pWidth)
    return;

  m_fBtn = *pWidth;
  CFX_RectF rtMonthCal;
  m_pMonthCal->GetWidgetRect(rtMonthCal, true);

  CFX_RectF rtPopUp;
  rtPopUp.Set(rtMonthCal.left, rtMonthCal.top + kDateTimePickerHeight,
              rtMonthCal.width, rtMonthCal.height);
  m_pMonthCal->SetWidgetRect(rtPopUp);
  m_pMonthCal->Update();
}