Referencing an HTML element via managed code : Javascript Integration « Communication « Silverlight

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Referencing an HTML element via managed code
Referencing an HTML element via managed code
   


<UserControl x:Class='SilverlightApplication3.MainPage'
    xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation' 
    xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml'
    xmlns:d='http://schemas.microsoft.com/expression/blend/2008' 
    xmlns:mc='http://schemas.openxmlformats.org/markup-compatibility/2006' 
    mc:Ignorable='d' 
    d:DesignWidth='640' d:DesignHeight='480'>
    <Grid x:Name="LayoutRoot" Background="White">
        <Button x:Name="myButton" Content="Get HTML Element" Height="30" Width="120" Click="myButton_Click" />
    </Grid>
</UserControl>



//File: Page.xaml.cs
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 SilverlightApplication3
{
    public partial class MainPage : UserControl
    {
        public MainPage()
        {
            InitializeComponent();
        }

        private void myButton_Click(object sender, RoutedEventArgs e)
        {
            HtmlDocument document = HtmlPage.Document;
            HtmlElement element = document.GetElementById("myDiv");

            HtmlWindow window = HtmlPage.Window;
            if (element == null)
                window.Alert("The element was not found.");
            else
                window.Alert("The element was found.");
        }
    }
}

   
    
    
  














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1.Preparing a type for scriptingPreparing a type for scripting
2.Exposing a managed code item to the scripting worldExposing a managed code item to the scripting world
3.Exposing an object to the scripting worldExposing an object to the scripting world
4.Referencing a managed item from the scripting world
5.Assigning a style attribute from managed codeAssigning a style attribute from managed code
6.Calling JavaScript object's function from managed code
7.Pass object to HtmlWindow.InvokePass object to HtmlWindow.Invoke
8.Display message with HtmlWindowDisplay message with HtmlWindow
9.Use HtmlPage.RegisterScriptableObject to register object for script
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