public static DebugDocumentText FromDebugDocument(DebugDocument d)
        {
            if (d == null)
            {
                return(null);
            }

            IDebugDocumentText tdoc = d.GetDoc() as IDebugDocumentText;

            if (tdoc == null)
            {
                return(null);
            }

            return(new DebugDocumentText(tdoc));
        }
 internal DebugDocumentText(IDebugDocumentText doc) : base(doc)
 {
     this.doc = doc as IDebugDocumentText;
 }