void ttFrame::showtxt(wxMouseEvent &event) 
{ 
 
        //创建wxIPV4address对象 
        wxIPV4address addr; 
        //获得本地计算机名 
        wxString computerName=::wxGetFullHostName(); 
        //获得当前用户名 
        wxString username=::wxGetUserId(); 
        //wxIPV4address的hostname属性赋值("计算机名") 
        addr.Hostname(computerName); 
        //获得IP地址 
        wxString ipaddr = addr.IPAddress(); 
 
        //输出数据到文本框 
        txt_ip->AppendText(ipaddr); 
 
        txt_cmpname->AppendText(computerName); 
 
        txt_username->AppendText(username); 
 
}