SOCKET线程卡死程序界面的问题？

int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
    if (CFrameWnd::OnCreate(lpCreateStruct) == -1)
        return -1;
    
    if (!m_wndToolBar.CreateEx(this, TBSTYLE_FLAT, WS_CHILD | WS_VISIBLE | CBRS_TOP
        | CBRS_GRIPPER | CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC) ||
        !m_wndToolBar.LoadToolBar(IDR_MAINFRAME))
    {
        TRACE0("Failed to create toolbar\n");
        return -1;      // fail to create
    }

    if (!m_wndStatusBar.Create(this) ||
        !m_wndStatusBar.SetIndicators(indicators,
          sizeof(indicators)/sizeof(UINT)))
    {
        TRACE0("Failed to create status bar\n");
        return -1;      // fail to create
    }

    // TODO: Delete these three lines if you don't want the toolbar to
    //  be dockable
    m_wndToolBar.EnableDocking(CBRS_ALIGN_ANY);
    EnableDocking(CBRS_ALIGN_ANY);
    DockControlBar(&m_wndToolBar);

    SetTimer(1,2000,NULL);   //启动线程

    return 0;
}


void CMainFrame::OnTimer(UINT nIDEvent) 
{
    // TODO: Add your message handler code here and/or call default
    CMainFrame *pMain=(CMainFrame *)AfxGetApp()->m_pMainWnd;
    CDemo1View *pView=(CDemo1View *)pMain->GetActiveView();

    #ifdef IEC_61850_USE
        if(pView->CreateIEC61850Socket() == FALSE)    //创建SOCKET线程并accept客户端的连接，当执行这里时，程序的整个框架就是卡死状态，但创建的SOCKET的线程工作正常！   
        {
            AfxMessageBox(_T("创建61850Socket失败!"));            
        }

    #endif
   
    CFrameWnd::OnTimer(nIDEvent);
}