Question

我正在开发一个可以获取IP地址并检查城市，州，纬度，经度等的模块。所有代码都没有问题但是如何检索数据并将其显示在我的TextBlock上？

    public class TestGeo
    {
        GeoLoc _geoLoc = new GeoLoc();
        internal GeoLoc GetMyGeoLocation()
        {     

            try
            {
                var request = WebRequest.Create(new Uri("http://geoiptool.com/data.php")) as HttpWebRequest;
                if (request != null)
                {
                    request.UserAgent = "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; SLCC1; .NET CLR 2.0.50727)";
                    using (var webResponse = request.GetResponse() as HttpWebResponse)
                        if (webResponse != null)
                        {
                            using (var reader = new StreamReader(webResponse.GetResponseStream()))
                            {
                                var doc = new XmlDocument();
                                doc.Load(reader);

                                var nodes = doc.GetElementsByTagName("marker");
                               // Guard.AssertCondition(nodes.Count > 0, "nodes", new object());

                                var marker = nodes[0] as XmlElement;
                                Guard.AssertNotNull(marker, "marker");
                                _geoLoc.City = marker.GetAttribute("city");
                                _geoLoc.Country = marker.GetAttribute("country");
                                _geoLoc.Code = marker.GetAttribute("code");
                                _geoLoc.Host = marker.GetAttribute("host");
                                _geoLoc.Ip = marker.GetAttribute("ip");
                                _geoLoc.Latitude = marker.GetAttribute("lat");
                                _geoLoc.Longitude = marker.GetAttribute("lng");
                                _geoLoc.State = GetMyState(_geoLoc.Latitude, _geoLoc.Longitude);

                                return _geoLoc;


                            }
                        }

                }
                return new GeoLoc();
            }
            catch (Exception ex)
            {
                throw;
            }
        }

Answer 1

这是一种快速而肮脏的方式......当然，由于你没有向我们展示你的GeoLoc课程的样子，所以有点难以看清。

启动一个新的WPFApplication并将其添加到后面的代码中：

public MainWindow()
{
    GeoLoc location = new TestGeo().GetMyGeoLocation();
    LocationTextBlock.Text = location.ToString();
    DataContext = this;
}

将其放入<Grid>和</Grid>元素之间的XML页面中：

<TextBlock Name="LocationTextBlock" />

当然，如果你没有覆盖ToString方法，那么就不会显示任何有用的东西......在这种情况下，要么override Object.ToString()，要么用这个替换构造函数中的那一行：

LocationTextBlock.Text = location.SomeProperty; // Use a string property of your class

如何在按钮单击时在文本块上设置_geoLoc.City等的值

1 个答案: