MFC弹出浏览对话框

    CString strTemp;
    CString str;
    BROWSEINFO bi;
    char Buffer[MAX_PATH];
    bi.hwndOwner = NULL;
    bi.pidlRoot = NULL;
    bi.pszDisplayName = Buffer;
    bi.lpszTitle = "数据存储路径";
    bi.ulFlags = 0;
    bi.lpfn = NULL;
    LPITEMIDLIST pIDList = SHBrowseForFolder(&bi);
    if(pIDList)
    {
        SHGetPathFromIDList(pIDList, Buffer);
        strTemp.Format("%s\\",Buffer); 
        CTime t = CTime::GetCurrentTime();
        str.Format("%d-%d-%d %d_%d_%d",t.GetYear(),t.GetMonth(),t.GetDay(),t.GetHour(),t.GetMinute(),t.GetSecond());
        str = strTemp + str;
        CreateDirectory(str,NULL);
        SetCurrentDirectory(str);
    }

释放内存：

CString BrowseFolder(HWND hWnd,LPCTSTR lpTitle)
{
    //调用SHBrowseForFolder取得目录(文件夹)名称。hWnd：父窗口句柄；lpTitle：窗口标题
    char szPath[MAX_PATH]={0};
    BROWSEINFO m_bi;
    m_bi.ulFlags = BIF_RETURNONLYFSDIRS|BIF_STATUSTEXT;
    m_bi.hwndOwner = hWnd;
    m_bi.pidlRoot = NULL;
    m_bi.lpszTitle = lpTitle;
    m_bi.lpfn = NULL;
    m_bi.lParam = NULL;
    m_bi.pszDisplayName = szPath;

    LPITEMIDLIST pidl = SHBrowseForFolder(&m_bi);
    if(pidl)
    {
        if(!SHGetPathFromIDList(pidl,szPath))szPath[0]=0;
        IMalloc * pMalloc = NULL;
        if(SUCCEEDED(SHGetMalloc(&pMalloc)))        //取得IMalloc分配器接口
        {
            pMalloc->Free(pidl);                        //释放内存
            pMalloc->Release();                        //释放接口
        }
    }
    return szPath;
}