DUI-模态对话框的实现

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INT_PTR XX::DoModal(LPCWSTR lpszXmlId, HWND hParent/*=NULL*/, bool bShadow/*=false*/, DM::CRect rect/* = NULL*/)

{

    BOOL bEnableParent = FALSE;

    if(NULL == hParent)

    {

        hParent = GetActiveWnd();

    }

    if (hParent && hParent != ::GetDesktopWindow() && ::IsWindowEnabled(hParent))

    {

        ::EnableWindow(hParent, FALSE);

        bEnableParent = TRUE;

    }

    if(!DM_CreateWindow(lpszXmlId, rect.left,rect.top,rect.Width(),rect.Height(), hParent, bShadow))

    {

        ::EnableWindow(hParent, TRUE);

        return 0; // 此处失败了

    }

    GetClientRect(rect);

    if (!rect.IsRectEmpty())

    {

        CenterWindow();

    }

    SendMessage(WM_INITDIALOG);//发送init消息

    if(GetExStyle()&WS_EX_TOOLWINDOW)

    {

        ::ShowWindow(m_hWnd,SW_SHOWNOACTIVATE);

    }

    else

    {

        ::ShowWindow(m_hWnd,SW_SHOWNORMAL);

    }

    ::SetWindowPos(m_hWnd, /*HWND_TOP*/HWND_NOTOPMOST, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE | SWP_SHOWWINDOW);

         Run(m_hWnd,true);// 消息循环

    if (bEnableParent)

    {

        ::EnableWindow(hParent, TRUE);

    }

    return m_nRetCode;

}

void  XX::EndDialog( INT_PTR nResult )

{

    m_nRetCode = nResult;

    PostMessage(WM_QUIT);

}