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WPF HTML Supported TextBlock

, 7 Feb 2009 LGPL3
This article describes HtmlTextBlock which is a WPF TextBlock that can parse a limited set of HTML tags and display them.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows;
using QuickZip.MiniHtml2;
using System.IO;

namespace QuickZip.UserControls.HtmlTextBlock
{
    public class HtmlTextBlock : TextBlock 
    {
        public static DependencyProperty HtmlProperty = DependencyProperty.Register("Html", typeof(string),
                typeof(HtmlTextBlock), new UIPropertyMetadata("Html", new PropertyChangedCallback(OnHtmlChanged)));

        public string Html { get { return (string)GetValue(HtmlProperty); } set { SetValue(HtmlProperty, value); } }

        public static void OnHtmlChanged(DependencyObject s, DependencyPropertyChangedEventArgs e)
        {
            HtmlTextBlock sender = (HtmlTextBlock)s;

            sender.Inlines.Clear();


            HtmlTagTree tree = new HtmlTagTree();
            HtmlParser parser = new HtmlParser(tree); //output
            parser.Parse(new StringReader(e.NewValue as string));     //input

            HtmlUpdater updater = new HtmlUpdater(sender); //output
            updater.Update(tree);                       //input			
        }

        public HtmlTextBlock()
        {       
            
        }

    }
}

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License

This article, along with any associated source code and files, is licensed under The GNU Lesser General Public License (LGPLv3)

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Web04 | 2.8.1411023.1 | Last Updated 7 Feb 2009
Article Copyright 2009 by Leung Yat Chun
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