如何序列化继承WPF的段落的类型？

Question

I sub-classed the WPF 's Paragraph as follows, and now I want to serialize and deserialize it, including the additional data.

xamlString = XamlWriter.Save(_richTextBox.Document); doesn't do the trick - the extended data is omitted.

There's is way to tell the XamlWriter to include this extra data ?

Here is the extended data:

[ContentProperty("Inlines")]
public class ExParagraph : Paragraph
{
    public ParagraphMetaData MetaData = new ParagraphMetaData();
}

[ContentProperty("Inlines")]
public class ParagraphMetaData {
    private Guid _updaterParagraphUniqueId;

    public Guid UpdaterParagraphUniqueId {
        get { return _updaterParagraphUniqueId; }
        set {
            _updaterParagraphUniqueId = value;
            IsUpdaterParagraph = value != default(Guid);
        }
    }

    public bool IsUpdaterParagraph { get; private set; }
    public string Name;
    public bool DoNotToggleColor;
}

Edit - solution:

Thanks to responders: the fields must be r/w properties

In addition, the [ContentProperty("Inlines")] was the root problem - it prevented the serialization of the sub-classed Paragraph

Answer 1

Fields are not serialized, only properties. They also must be read-write properties, not read-only. This post is pretty old but most of the information still applies:

http://blogs.msdn.com/b/mikehillberg/archive/2006/09/16/xamlwriter.aspx

Edit: also read http://msdn.microsoft.com/en-us/library/ms754193.aspx for additional information.