text: public override String ToString(){StringBuilder sb = new StringBuilder();sb.Append(GetType().Name);sb.Append(" [");if (externalWorkbookNumber >= 0){sb.Append(" [");sb.Append("workbook=").Append(ExternalWorkbookNumber);sb.Append("] ");}if (SheetName != null){sb.Append("sheet=").Append(SheetName);}sb.Append(" ! ");sb.Append("name=");sb.Append(nameName);sb.Append("]");return sb.ToString();}