使用StylusPoints捕获墨迹笔触遇程序集引用缺失问题求助

Hey there, let's work through this missing assembly reference issue you're hitting when trying to capture ink strokes with StylusPoints. Even though you've added the System.Windows.Ink namespace, there are a few other common fixes to try:

• Ensure you've added the correct assembly reference
  The System.Windows.Ink namespace lives in the PresentationCore.dll assembly—just adding the using statement isn't enough. In Visual Studio:

  1. Right-click your project in Solution Explorer
  2. Select "Add" → "Reference..."
  3. Go to the "Assemblies" → "Framework" tab (for .NET Framework projects) or "Shared Projects" → "Framework" (for .NET 6+/WPF)
  4. Locate and check PresentationCore, then click "OK"

• Verify your project type compatibility
  This namespace is specific to WPF-based projects. If you're working in a WinForms, Console, or other non-WPF project:

  • You'll need to manually reference PresentationCore.dll as above, but keep in mind some ink functionality might not work as expected outside WPF.
  • For .NET 6+ non-WPF projects, you may need to add a framework reference to Microsoft.WindowsDesktop.App.WPF in your project file:

    <ItemGroup>
      <FrameworkReference Include="Microsoft.WindowsDesktop.App.WPF" />
    </ItemGroup>
    

• Clean and rebuild your solution
  Sometimes cached build files can cause reference issues. Try:

  1. Right-click your solution → "Clean Solution"
  2. Then right-click again → "Rebuild Solution"
  3. Run your project once more to see if the error clears up

• Double-check your code syntax
  Make sure you're using the correct classes from the namespace. For example, if you're working with StylusPointCollection, confirm your code looks like this:

  using System.Windows.Ink;
  
  // Example code snippet
  var stylusPoints = new StylusPointCollection();
  // Add points or work with strokes here
  

  Typos in class names or namespace references can sometimes mimic assembly missing errors.

If none of these steps work, feel free to share a snippet of your code and details about your project type (WPF/.NET Framework/.NET 6+)—that'll help narrow things down further!

内容的提问来源于stack exchange，提问作者SamD