Popup 弹出窗口

<UserControl x:Class="Silverlight20.Tip.PopupDemo"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <Grid x:Name="LayoutRoot" Background="White">
        <Button x:Name="btnPopup" Content="弹出新窗口" Margin="5" Width="80" Height="40" Click="btnPopup_Click" HorizontalAlignment="Left" VerticalAlignment="Top" />
    </Grid>
</UserControl>

CS:
/**//*
 * 如果需要 Silverlight 宿主可以使用 HtmlPage.PopupWindow() 弹出新窗口，则需要如下参数
 * <param name="allowHtmlPopupWindow" value="true" />
 * 此参数：同域时默认为 ture ； 跨域时默认为 false
 */

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;

using System.Windows.Browser;

namespace Silverlight20.Tip
{
    public partial class PopupDemo : UserControl
    {
        public PopupDemo()
        {
            InitializeComponent();
        }

        private void btnPopup_Click(object sender, RoutedEventArgs e)
        {
            // HtmlPopupWindowOptions - 需要弹出的新窗口的参数（如果浏览器是以标签的形式打开新窗口，则此参数无效）
            HtmlPopupWindowOptions opt = new HtmlPopupWindowOptions();
            opt.Left = 0;
            opt.Top = 0;
            opt.Width = 320;
            opt.Height = 240;

            // HtmlPage.IsPopupWindowAllowed - 指定 Silverlight 宿主是否可以使用 HtmlPage.PopupWindow() 来弹出新的浏览器窗口
            // HtmlPage.PopupWindow() - 弹出新窗口
            if (true == HtmlPage.IsPopupWindowAllowed) 
                HtmlPage.PopupWindow(new Uri("http://webabcd.cnblogs.com/", UriKind.Absolute), "newWindow", opt);
        }
    }
}