Silverlight JavaScript Integration - Part 1

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;

namespace SilverlightDomInteraction
{
    public partial class MainPage : UserControl
    {
        public MainPage()
        {
            InitializeComponent();
        }

        private void btnAccessHtmlElements_Click(object sender, RoutedEventArgs e)
        {
            System.Windows.Browser.HtmlDocument doc = System.Windows.Browser.HtmlPage.Document;
            System.Windows.Browser.HtmlElement headerDiv = doc.GetElementById("headerDiv");
            headerDiv.SetStyleAttribute("background-color", "green");
        }

        private void btnAccessQueryStrings_Click(object sender, RoutedEventArgs e)
        {
            System.Windows.Browser.HtmlDocument doc=System.Windows.Browser.HtmlPage.Document;
            int empID = int.Parse(doc.QueryString["employeeID"]);
            MessageBox.Show(empID.ToString());
        }

            private void btnAccessAllQueryStrings_Click(object sender, RoutedEventArgs e)
            {
                Dictionary<string, string> QueryStrings = new Dictionary<string, string>();
                System.Windows.Browser.HtmlWindow win = System.Windows.Browser.HtmlPage.Window;
                System.Windows.Browser.HtmlDocument doc = System.Windows.Browser.HtmlPage.Document;
                foreach (string key in doc.QueryString.Keys)
                {
                    QueryStrings.Add(key, doc.QueryString[key]);
                }
                MessageBox.Show(QueryStrings.Count.ToString());
            }

            private void btnInvokeJSFunction_Click(object sender, RoutedEventArgs e)
            {
                System.Windows.Browser.HtmlWindow win = System.Windows.Browser.HtmlPage.Window;
                win.Invoke("ChangeHeaderDivColor");
            }

            private void btnReturnValueJSFunction_Click(object sender, RoutedEventArgs e)
            {
                System.Windows.Browser.HtmlWindow win = System.Windows.Browser.HtmlPage.Window;
                object result = win.Invoke("GetSum", 17, 7);
                MessageBox.Show(result.ToString());//Result 24
            }

            private void bntJSAlert_Click(object sender, RoutedEventArgs e)
            {
                System.Windows.Browser.HtmlWindow win = System.Windows.Browser.HtmlPage.Window;
                win.Alert("Hello DOM!");
            }

            private void btnNavigateToLink_Click(object sender, RoutedEventArgs e)
            {
                string target = "_blank";
                System.Windows.Browser.HtmlPage.Window.Navigate(new Uri("http://silverlight.net"), target);
            }
            private void btnNavigateToBookmark_Click(object sender, RoutedEventArgs e)
            {
                System.Windows.Browser.HtmlPage.Window.NavigateToBookmark("headerDiv");
            }

            private void btnGetBrowserInformation_Click(object sender, RoutedEventArgs e)
            {
                System.Windows.Browser.BrowserInformation bInfo = System.Windows.Browser.HtmlPage.BrowserInformation;
               
                int majorVersion = bInfo.BrowserVersion.Major;
                int minorVersion = bInfo.BrowserVersion.Minor;
                int revisionVersion = bInfo.BrowserVersion.Revision;
                int buildVersion = bInfo.BrowserVersion.Build;

                bool cookiesEnabled = bInfo.CookiesEnabled;

                string name = bInfo.Name;
                string platform = bInfo.Platform;
                string productName = bInfo.ProductName;
                string productVersion = bInfo.ProductVersion;
                string userAgent = bInfo.UserAgent;
            }
    }
}