| Add(Annotation) | Adds an Annotation object to the content. |
| Add(AttributedText) | Adds an AttributedText object to the content. |
| Add(Bookmark) | Adds a Bookmark object to the content. |
| Add(BookmarkEnd) | Adds a BookmarkEnd object to the content. |
| Add(BookmarkStart) | Adds a BookmarkStart object to the content. |
| Add(Change) | Adds a Change object to the content. |
| Add(ChangeEnd) | Adds a ChangeEnd object to the content. |
| Add(ChangeStart) | Adds a ChangeStart object to the content. |
| Add(Field) | Adds a Field object to the content. |
| Add(Hyperlink) | Adds a Hyperlink object to the content. |
| Add(IParagraphContent) | Adds a IParagraphContent object to the content. |
| Add(Note) | Adds a Note object to the content. |
| Add(PointReference) | Adds a PointReference object to the content. |
| Add(RangeReference) | Adds a RangeReference object to the content. |
| Add(Ruby) | Adds a Ruby object to the content. |
| Add(Shape) | Adds a Shape object to the content. |
| Add(String) | Adds a string object to the content. |
| Add(Text) | Adds a Text object to the content. |