I have received a corrupted answer, there's a bunch of html tags in there etc. the data consists of code and some plaintext comments. please recover the information and format it properly:

```
  private bool IsDerivedAttachedBehavior(Type type)
        {
            // Check if the type inherits from a base attached behavior class
            // Adjust the base class name as needed (e.g., "MyBaseBehaviour2")<br/><br/> if (type.BaseType == null)<br/> return false;<br/><br/> return type.BaseType.Name.StartsWith("MyBaseBehaviour");<br/> }<br/><br/> private List&lt;string&gt; GetAttachedProperties(Type type)<br/> {<br/> List&lt;string&gt; properties = new List&lt;string&gt;();<br/><br/> // Find public static methods that match the pattern of attached property accessors<br/> var methods = type.GetMethods(BindingFlags.Public | BindingFlags.Static);<br/> foreach (var method in methods)<br/> {<br/> if (method.Name.StartsWith("Get"))<br/> {<br/> var propertyName = method.Name.Substring(3); // Remove "Get"<br/> properties.Add($"{type.Name}.{propertyName}");<br/> }<br/> }<br/><br/> return properties;<br/> }<br/><br/> public void Dispose()<br/> {<br/> _disposed = true;<br/> }<br/> }<br/>}</code></pre><br/><br/>### 2. WpfXamlCompletionProvider.cs<br/><pre><code class="csharp"><br/>using Microsoft.VisualStudio.Language.Intellisense;<br/>using Microsoft.VisualStudio.Text;<br/>using Microsoft.VisualStudio.Utilities;<br/>using System.ComponentModel.Composition;<br/><br/>namespace WpfXamlIntellisenseExtension<br/>{<br/> [Export(typeof(ICompletionSourceProvider))]<br/> [ContentType("XAML")]<br/> [Name("WPF XAML Completion")]<br/> class WpfXamlCompletionSourceProvider : ICompletionSourceProvider<br/> {<br/> [Import]<br/> internal ITextStructureNavigatorSelectorService NavigatorService { get; set; }<br/><br/> public ICompletionSource TryCreateCompletionSource(ITextBuffer textBuffer)<br/> {<br/> return new WpfXamlCompletionSource(this, textBuffer);<br/> }<br/> }<br/>}</code></pre><br/><br/>### 3. Package Manifest (source.extension.vsixmanifest)<br/><br/>Ensure your extension manifest (source.extension.vsixmanifest) includes the necessary metadata.<br/><pre><code class="xml"><br/>&lt;?xml version="1.0" encoding="utf-8"?&gt;<br/>&lt;Vsix Version="1.0.0" xmlns="http://schemas.microsoft.com/developer/vsx-schema/2011"&gt;<br/> &lt;Identifier Id="WpfXamlIntellisenseExtension.1a2b3c4d-5e6f-7a8b-9c0d-1e2f3a4b5c6d"&gt;<br/> &lt;Name&gt;WPF XAML Intellisense Extension&lt;/Name&gt;<br/> &lt;Author&gt;Your Name&lt;/Author&gt;<br/> &lt;Version&gt;1.0&lt;/Version&gt;<br/> &lt;Description xml:space="preserve"&gt;Enhances XAML Intellisense in Visual Studio 2022 for WPF developers.&lt;/Description&gt;<br/> &lt;Locale&gt;1033&lt;/Locale&gt;<br/> &lt;Icon&gt;Resources\Icon.png&lt;/Icon&gt;<br/> &lt;PreviewImage&gt;Resources\Preview.png&lt;/PreviewImage&gt;<br/> &lt;MoreInfoUrl&gt;http://your-extension-info-url&lt;/MoreInfoUrl&gt;<br/> &lt;Tags&gt;XAML;Intellisense;WPF;Extension&lt;/Tags&gt;<br/> &lt;/Identifier&gt;<br/> &lt;Content&gt;<br/> &lt;MefComponent&gt;WpfXamlIntellisenseExtension.dll&lt;/MefComponent&gt;<br/> &lt;/Content&gt;<br/> &lt;Installation&gt;<br/> &lt;InstallationTarget Id="Microsoft.VisualStudio.Community" Version="[17.0,18.0)" /&gt;<br/> &lt;InstallationTarget Id="Microsoft.VisualStudio.Pro" Version="[17.0,18.0)" /&gt;<br/> &lt;InstallationTarget Id="Microsoft.VisualStudio.Enterprise" Version="[17.0,18.0)" /&gt;<br/> &lt;/Installation&gt;<br/>&lt;/Vsix&gt;</code></pre><br/><br/>- Adjust the IdentifierandInstallationTargetelements as necessary.<br/>- Include an icon and preview image if desired.<br/><br/>### 4. AssemblyInfo.cs<br/><br/>Ensure yourAssemblyInfo.cscontains the necessary attributes.<br/><pre><code class="csharp"><br/>using System.Reflection;<br/>using System.Runtime.InteropServices;<br/><br/>[assembly: AssemblyTitle("WpfXamlIntellisenseExtension")]<br/>[assembly: AssemblyDescription("Enhances XAML Intellisense in Visual Studio 2022 for WPF developers.")]<br/>[assembly: AssemblyConfiguration("")]<br/>[assembly: AssemblyCompany("Your Company")]<br/>[assembly: AssemblyProduct("WpfXamlIntellisenseExtension")]<br/>[assembly: AssemblyCopyright("")]<br/>[assembly: AssemblyTrademark("")]<br/>[assembly: AssemblyCulture("")]<br/><br/>[assembly: ComVisible(false)]<br/>[assembly: Guid("your-guid")]<br/><br/>// Version information for an assembly consists of the following four values:<br/>[assembly: AssemblyVersion("1.0.*")]</code></pre><br/><br/>---<br/><br/>## Testing the Extension<br/><br/>### Running the Extension in Experimental Instance<br/><br/>1. **Set the Project as Startup Project**:<br/> - Right-click on theWpfXamlIntellisenseExtensionproject in Solution Explorer.<br/> - Select **Set as Startup Project**.<br/><br/>2. **Launch Experimental Instance**:<br/> - Press **F5** to build and run the extension.<br/> - This will launch a new instance of Visual Studio (the Experimental Instance) with the extension installed.<br/><br/>### Testing Scenarios<br/><br/>#### Scenario 1: Attached Behaviors with Inheritance<br/><br/>1. **Create a WPF Project in the Experimental Instance**.<br/>2. **Implement the Base and Child Behaviors** as per your sample code.<br/>3. **Open a XAML File**, such asMainWindow.xaml.<br/>4. **Try to Use the Attached Property from the Child Class**:<br/> - Start typing local:MyChildBehaviour..<br/> - Verify that Intellisense suggests MyData.<br/><br/>#### Scenario 2: DataContext in Styles, Triggers, and Setters<br/><br/>1. **Define a ViewModel** with properties, such as MyNumber.<br/>2. **Set the Design-Time DataContext** in XAML using d:DataContext.<br/>3. **Within a Style or Trigger**, start typing a binding expression.<br/> - Verify that Intellisense suggests MyNumberwhen setting theBindingproperty.<br/><br/>#### Scenario 3: StaticResource Binding Support<br/><br/>1. **Define Resources** in your XAML file withx:Key.<br/>2. **Within a Style or Binding**, start referencing a StaticResource.<br/> - Verify that Intellisense suggests the resource keys you have defined.<br/><br/>### Verifying No Duplicate Completions<br/><br/>1. **Ensure Default Completions are Not Duplicated**:<br/> - In contexts where default Intellisense provides completions, verify that the extension does not duplicate them.<br/><br/>---<br/><br/>## Packaging and Publishing the Extension<br/><br/>### Building the VSIX Package<br/><br/>1. **Build the Project**:<br/> - Right-click on the solution in Solution Explorer.<br/> - Select **Build Solution**.<br/>2. **Locate the VSIX File**:<br/> - After a successful build, the VSIX package can be found in the bin\Debugorbin\Releasefolder of your project.<br/> - The file will be namedWpfXamlIntellisenseExtension.vsix.<br/><br/>### Testing the VSIX Package<br/><br/>- **Install the VSIX**:<br/> - Double-click the WpfXamlIntellisenseExtension.vsixfile.<br/> - Follow the prompts to install it into your main Visual Studio instance (not the Experimental Instance).<br/>- **Restart Visual Studio**:<br/> - After installation, restart Visual Studio to ensure the extension is loaded.<br/>- **Test the Extension**:<br/> - Open your WPF projects and verify that the extension works as expected.<br/><br/>### Publishing the Extension<br/><br/>1. **Prepare Extension for Publishing**:<br/> - Ensure all metadata in thesource.extension.vsixmanifestis accurate.<br/> - Update the version number if necessary.<br/> - Include icons and preview images to make your extension visually appealing.<br/><br/>2. **Publish to Visual Studio Marketplace**:<br/> - Sign in to the [Visual Studio Marketplace Publisher Portal](https://marketplace.visualstudio.com/manage).<br/> - Create a new publisher account if you don't have one.<br/> - Upload the.vsix` file and fill in the necessary details.
```