DOCUMENT:Q235355 03-MAY-2001 [visualc] TITLE :PRB: CMonthCalCtl::GetCurSel(CTime) Returns Wrong Value PRODUCT :Microsoft C Compiler PROD/VER:winnt:6.0 OPER/SYS: KEYWORDS:kbCmnCtrls kbCtrl kbDateTime kbMFC kbMonthCalCtrl kbVC600 kbDSupport kbGrpDSMFCATL ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - The Microsoft Foundation Classes (MFC), included with: - Microsoft Visual C++, 32-bit Enterprise Edition, version 6.0 - Microsoft Visual C++, 32-bit Professional Edition, version 6.0 - Microsoft Visual C++, 32-bit Learning Edition, version 6.0 ------------------------------------------------------------------------------- SYMPTOMS ======== When you use the CMonthCalCtrl::GetCurSel(CTime) to get the date selected from the Month Calendar Common control, the date in the CTime class is incorrect. CAUSE ===== MFC's implementation of CMonthCalCtrl::GetCurSel() for the CTime class calls SendMessage(MCM_GETCURSEL, &sysTime) where sysTime is a SYSTEMTIME structure. The MCM_GETCURSEL message does not fill in the hours, minutes, and seconds part of the sysTime Structure with valid values. However, the constructor for CTime class takes these values into consideration, so the date in CTime class is incorrect. RESOLUTION ========== The workaround is to use the CMonthCalCtrl::GetCurSel(SYSTEMTIME*) version of GetCurSel for this class to get the correct date. The code will look like the following example: SYSTEMTIME sysTime; m_MonthCal.GetCurSel(&sysTime); sysTime.wHour = sysTime.wMinute = sysTime.wSecond = sysTime.wMilliseconds = 0; CTime l_time(sysTime); STATUS ====== This behavior is by design. Additional query words: ====================================================================== Keywords : kbCmnCtrls kbCtrl kbDateTime kbMFC kbMonthCalCtrl kbVC600 kbDSupport kbGrpDSMFCATL Technology : kbAudDeveloper kbMFC Version : winnt:6.0 Issue type : kbprb ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2001.