'宣言 Public MustInherit Class RtfBookmark Inherits RtfObject Implements C1.WPF.Word.IContent, C1.WPF.Word.IDocumentContent, C1.WPF.Word.IParagraphContent
public abstract class RtfBookmark : RtfObject, C1.WPF.Word.IContent, C1.WPF.Word.IDocumentContent, C1.WPF.Word.IParagraphContent