MFC使用Windows图片查看器 接口

/***MFC使用Windows图片查看器 ***/

BOOL CCommonFun::PictureWindows(const CString &strPicFile, CString &sError)  
{  
    CString strSystemDir="";  
    ::GetSystemDirectory(strSystemDir.GetBuffer(256), 256);  
    strSystemDir.ReleaseBuffer();  
  
    CString strRundll = strSystemDir + "\\rundll32.exe";  
  
    CString strParm;  
    strParm.Format("%s//shimgvw.dll imageview_fullscreen %s", strSystemDir, strPicFile);   
  
    HINSTANCE hNewExe = ShellExecute(NULL, "Open", strRundll, strParm, NULL, SW_SHOW);  
    if ((DWORD)hNewExe <= 32)  
    {  
        CString sFormat;  
        sFormat.Format("return value:%d\n", (DWORD)hNewExe);  
        sError = sFormat;  
        return FALSE;  
    }  
    return TRUE;  
}