public ITagger <T> CreateTagger <T>(ITextView textView, ITextBuffer buffer) where T : ITag
{
if (textView == null)
{
return(null);
}
if (textView.TextBuffer != buffer)
{
return(null);
}
Trace.Assert(textView is IWpfTextView);
ImageAdornmentManager imageAdornmentManager = textView.Properties.GetOrCreateSingletonProperty <ImageAdornmentManager>("ImageAdornmentManager", () => new ImageAdornmentManager((IWpfTextView)textView));
return(imageAdornmentManager as ITagger <T>);
}
public MyLineTransformSource(ImageAdornmentManager manager)
{
_manager = manager;
}
ILineTransformSource ILineTransformSourceProvider.Create(IWpfTextView view)
{
ImageAdornmentManager manager = view.Properties.GetOrCreateSingletonProperty <ImageAdornmentManager>(() => new ImageAdornmentManager(view));
return(new MyLineTransformSource(manager));
}
/// <summary>
/// Instantiates a ImageAdornment manager when a textView is created.
/// </summary>
/// <param name="textView">The <see cref="IWpfTextView"/> upon which the adornment should be placed</param>
public void TextViewCreated(IWpfTextView textView)
{
ImageAdornmentManager manager = textView.Properties.GetOrCreateSingletonProperty <ImageAdornmentManager>("ImageAdornmentManager", () => new ImageAdornmentManager(textView));
manager.TextDocumentFactory = TextDocumentFactory;
}