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// For complete examples and data files, please go to https://github.com/groupdocscomparison/GroupDocs_Comparison_NET

/// Compare two documents from file path with saving results into a stream
       
        public static void CompareDcumentsFromPathToOutputStream()
        {
            // Get instance of GroupDocs.Comparison.Comparer and call method Compare.
            GroupDocs.Comparison.Comparer comparison = Common.getComparison();
            ICompareResult result = comparison.Compare(Path.Combine(Common.sourcePath, Common.sourceFile), Path.Combine(Common.targetPath, Common.targetFile), new ComparisonSettings { DeletedItemsStyle = new StyleSettings { StrikeThrough = true } });

            // get result document as stream.
            Stream stream = result.GetStream();

            stream.Close();
        }