//打开文件所在的文件夹，并选择文件

void OpenFolderAndSelect( const CString& strFile)
{
 CString strDest(_T("/n,/select, "));
 strDest += strFile;
 SHELLEXECUTEINFO se;
 ZeroMemory(&se, sizeof(se));
 se.cbSize = sizeof(se);
 se.fMask = SEE_MASK_NOCLOSEPROCESS;
 se.hwnd = NULL;
 se.lpVerb = NULL;
 se.lpFile = _T("explorer.exe");
 se.lpParameters = strDest;
 se.lpDirectory = _T("");
 se.nShow = SW_SHOWNORMAL;
 se.hInstApp = NULL;
 ShellExecuteEx(&se);
}

方法二：

BOOL OpenFolderAndSelectFile( LPSTR lpszFilePath)
{
    //
    // GetFolder
    //
    DWORD dw = lstrlenA(lpszFilePath) - 1;
    for (;dw != -1;dw--)
     {
        if ( lpszFilePath[dw] == '\\')
         {
            break;
         }
     }
    if ( dw == -1)
     {
        return FALSE;
     }
    //
    // Get a pointer to the Desktop's IShellFolder interface.
    //
     LPSHELLFOLDER pDesktopFolder;
    if ( SUCCEEDED(SHGetDesktopFolder( &pDesktopFolder)))
     {
        //
        // IShellFolder::ParseDisplayName requires the file name be in
        // Unicode.
        //
         OLECHAR oleStr[MAX_PATH];

         lpszFilePath[dw] = '\0';
         MultiByteToWideChar( CP_ACP, MB_PRECOMPOSED,
             lpszFilePath, -1, oleStr, _countof(oleStr));
        //
        // Convert the path to an ITEMIDLIST.
        //
         LPITEMIDLIST     pidl;
        ULONG             chEaten;
        ULONG             dwAttributes;
        HRESULT             hr;

         hr = pDesktopFolder->ParseDisplayName(
             NULL, NULL, oleStr, &chEaten, &pidl, &dwAttributes);
        if (FAILED(hr))
         {
             pDesktopFolder->Release();
            return FALSE;
         }
         LPCITEMIDLIST pidlFolder = pidl;

         lpszFilePath[dw] = '\\';
         MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED,
             lpszFilePath, -1, oleStr, _countof(oleStr));

         hr = pDesktopFolder->ParseDisplayName(
             NULL, NULL, oleStr, &chEaten, &pidl, &dwAttributes);
        if (FAILED(hr))
         {
             pDesktopFolder->Release();
            return FALSE;
         }
         LPCITEMIDLIST pidlFile = pidl;

         CoInitialize( NULL);
         hr = SHOpenFolderAndSelectItems( pidlFolder, 1, &pidlFile, 0);

         pDesktopFolder->Release();

        if ( hr == S_OK)
         {
            return TRUE;
         }
     }
    return FALSE;
}