ArcGIS API for Silverlight 点击地图上的要素，弹出窗口（使用Telerik RadWindow）

xmlns:telerikNavigation="clr-namespace:Telerik.Windows.Controls;assembly=Telerik.Windows.Controls.Navigation"xmlns:telerik="clr-namespace:Telerik.Windows.Controls;assembly=Telerik.Windows.Controls" <!-- 详情信息显示窗口--><telerikNavigation:RadWindow x:Name="RadWindow1"  Tag="详情" BorderBackground="#B4DEFE" Width="520"   Height="330"  LocationChanged="RadWindow1_LocationChanged" WindowState="Maximized">         <telerik:RadHtmlPlaceholder x:Name="moreInfo" SourceUrl="" /></telerikNavigation:RadWindow>#region 处理弹出窗口公共类        public void ClickOpenDetailInfo(string name, string url)        {            TextBlock textBlock = new TextBlock();            moreInfo.Height = 541;            moreInfo.SourceUrl = new Uri(url, UriKind.Relative);            string tmp = string.Empty;             tmp = name + "详细信息";            StringBuilder sb = new StringBuilder();            for (int i = 0; i < tmp.Length; i++)            {                sb.Append(tmp[i] + " ");            }            textBlock.Text = sb.ToString();            textBlock.FontSize = 16;            textBlock.FontWeight = FontWeights.Black;            SolidColorBrush scbrush = new SolidColorBrush();            scbrush.Color = Colors.Black;            textBlock.Foreground = scbrush;            textBlock.HorizontalAlignment = HorizontalAlignment.Center;            RadWindow1.Header = textBlock;            RadWindow1.Show();        }        private void RadWindow1_LocationChanged(object sender, RoutedEventArgs e)        {            moreInfo.InvalidateArrange();        }        #endregion//左键菜单graphic.MouseLeftButtonDown += new MouseButtonEventHandler(sw_graphic_MouseLeftButtonDown); graphic.MouseLeftButtonUp += new MouseButtonEventHandler(sw_graphic_MouseLeftButtonUp);void sw_graphic_MouseLeftButtonDown(object sender, MouseButtonEventArgs e){         e.Handled = true;} void sw_graphic_MouseLeftButtonUp(object sender, MouseButtonEventArgs e) {            Graphic g = sender as Graphic;            string url = "../ysq/page2.aspx?stype=2&ylz=" + HttpUtility.UrlEncode(g.Attributes["YLZMC"].ToString());            //弹出窗体            ClickOpenDetailInfo(g.Attributes["YLZMC"].ToString(), url);}

效果如下图，这个窗口能保证每次只弹出一个。