m_strUrl.Replace("#","%23");
    m_strUrl.Replace("++", "%2B%2B");
注释说 这两句解决c# 和 c++搜索时的错误，但是不知道这函数到底怎么来实现？
摘自：
// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CDsearchDlg::OnQueryDragIcon()
{
    return (HCURSOR) m_hIcon;
}

void CDsearchDlg::OnSearchbtn()
{
    // TODO: Add your control notification handler code here
    CString strBaidu, strGoogle;
    GetDlgItem(IDC_EDIT1)->ShowWindow(SW_SHOW);
    GetDlgItem(IDC_EDIT2)->ShowWindow(SW_HIDE);
    GetDlgItem(IDC_EDIT1)->GetWindowText(m_strUrl);
    
    m_bHomePage = TRUE;
    GetDlgItem(IDC_EDIT2)->SetWindowText("");
    GetDlgItem(IDC_HPBTN)->SetWindowText("HomePage");
    m_wHomePage.Navigate("http://alantop.5166.info/zhmster/index.htm",NULL,NULL,NULL,NULL);
    
    if(!m_bFlag)
    {
        ::ShowWindow( m_IE2.GetSafeHwnd(), SW_SHOW );
        ::ShowWindow( m_WebBrowser2.GetSafeHwnd(), SW_SHOW );
        ::ShowWindow( m_wHomePage.GetSafeHwnd(), SW_HIDE );
        m_bFlag = TRUE;
        return;
    }
    //这两句解决c# 和 c++搜索时的错误

    m_strUrl.Replace("#","%23");
    m_strUrl.Replace("++", "%2B%2B");
    
    strBaidu = "http://www.baidu.com/s?pn=0&wd=" + m_strUrl + "&cl=3&rn=";
    strGoogle = "http://www. + m_strUrl+ "&start=0&num=";
    
    m_WebBrowser2.Navigate(strGoogle,NULL,NULL,NULL,NULL);  
    m_IE2.Navigate(strBaidu,NULL,NULL,NULL,NULL);
    
}