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MFC--在主程序窗口运行前加载登录对话框

2012-05-30 01:32:15| 分类： C++ | 标签： |举报 |字号大中小订阅

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如题：在主程序的App类的InitInstance函数体内的最前面加上如下代码：（这里为BOOL CBackupApp::InitInstance()函数）

BOOL CBackupApp::InitInstance()
{

////////////////////////////////////////////////////////////////////////////////////////////////---增加的代码段

//////////--增加,用于运行程序时首先弹出登录对话框。
while(1)
{/////
  CBackupLogin myDlg;
  int nReturn = myDlg.DoModal();
  if(nReturn==IDCANCEL)
  {
   return FALSE;
  }
  if(nReturn==IDOK)
  {

   HWND hwndlg = GetDlgItem(myDlg,IDD_DIALOG_LOGIN);
   CString strUser = myDlg.m_strUser;
   CString strPasswd = myDlg.m_strPasswd;
   if( !(strUser=="admin" && strPasswd=="admin") )   //如果用户/密码不是admin/admin的话，则报错，提示重新输入，直至正确为止;
   {
    if(IDOK==MessageBox(NULL,"用户ID或密码错误！\n 请重新输入！","登录失败",MB_OKCANCEL|MB_ICONERROR))
     continue;
    else
     return FALSE;
   }
   else
    break;
  }

}/////-while-end

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

if (!AfxSocketInit())
{
AfxMessageBox(IDP_SOCKETS_INIT_FAILED);
return FALSE;
}

AfxEnableControlContainer();

// Standard initialization

//.......

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              blogAbstract:'  <P\>如题：在主程序的App类的InitInstance函数体内的最前面加上如下代码：（这里为BOOL CBackupApp::InitInstance()函数）</P\>  <P\>BOOL CBackupApp::InitInstance()<BR\>{</P\>  <P\>////////////////////////////////////////////////////////////////////////////////////////////////---增加的代码段</P\>  <P\>//////////--增加,用于运行程序时首先弹出登录对话框。<BR\> while(1)<BR\> {/////<BR\>  CBackupLogin myDlg;<BR\>  int nReturn = myDlg.DoModal();</P\>',
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