XAML Debugger Visualizer for WPF

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Windows.Forms;
using Microsoft.VisualStudio.DebuggerVisualizers;
using System.IO;
using System.Xml;
using System.Windows.Media;
using System.Windows;
using System.Windows.Documents;

//Apply XamlVisualizer Visualizer to a WPF Visual
[assembly: DebuggerVisualizer(typeof(XamlVisualizer.XamlVisualizer), typeof(XamlVisualizer.XamlVisualizerObjectSource), 
    Target=typeof(Visual), Description = "XAML Visualizer")]

//Apply XamlVisualizer Visualizer to a WPF Style
[assembly: DebuggerVisualizer(typeof(XamlVisualizer.XamlVisualizer), typeof(XamlVisualizer.XamlVisualizerObjectSource),
    Target = typeof(Style), Description = "XAML Visualizer")]

//Apply XamlVisualizer Visualizer to templates
[assembly: DebuggerVisualizer(typeof(XamlVisualizer.XamlVisualizer), typeof(XamlVisualizer.XamlVisualizerObjectSource),
    Target = typeof(FrameworkTemplate), Description = "XAML Visualizer")]

//Apply XamlVisualizer Visualizer to documents
[assembly: DebuggerVisualizer(typeof(XamlVisualizer.XamlVisualizer), typeof(XamlVisualizer.XamlVisualizerObjectSource),
    Target = typeof(FlowDocument), Description = "XAML Visualizer")]

namespace XamlVisualizer
{
    
    /// <summary>
    /// A Visualizer for visualizing WPF types as XAML.  
    /// </summary>
    public class XamlVisualizer : DialogDebuggerVisualizer
    {
        protected override void Show(IDialogVisualizerService windowService, IVisualizerObjectProvider objectProvider)
        {
            //The stream to which the dat ais written can be obtained by calling GetData
            Stream dataStream = objectProvider.GetData();
            
            //Replace displayForm with your own custom Form or Control.
            using (XamlVisualizerForm displayForm = new XamlVisualizerForm())
            {
                displayForm.XamlText = new StreamReader(dataStream).ReadToEnd();
                displayForm.IsObjectReplaceable = objectProvider.IsObjectReplaceable;
                if (windowService.ShowDialog(displayForm) == DialogResult.OK)
                {
                    //After the dialog is shown the user may click Replace to replace the object
                    MemoryStream replacementDataStream = new MemoryStream();
                    using (XmlWriter xmlWriter = XmlTextWriter.Create(replacementDataStream))
                    {
                        xmlWriter.WriteRaw(displayForm.XamlText);
                    }

                    replacementDataStream.Seek(0, SeekOrigin.Begin);
                    objectProvider.ReplaceData(replacementDataStream);
                }
            }
        }

        // 
        //    XamlVisualizer.TestShowVisualizer(new SomeType());
        // 
        /// <summary>
        /// Tests the visualizer by hosting it outside of the debugger.
        /// </summary>
        /// <param name="objectToVisualize">The object to display in the visualizer.</param>
        public static void TestShowVisualizer(object objectToVisualize)
        {
            VisualizerDevelopmentHost visualizerHost = new VisualizerDevelopmentHost(objectToVisualize, typeof(XamlVisualizer));
            visualizerHost.ShowVisualizer();
        }
    }
}