[WPF]读取word文档

//将word转换成xps
private XpsDocument ConvertWordToXPS(string wordDocName)
        {
            FileInfo fi = new FileInfo(wordDocName);
            XpsDocument result = null;
            string xpsDocName = System.IO.Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.InternetCache), fi.Name);
            xpsDocName = xpsDocName.Replace(".docx", ".xps").Replace(".doc", ".xps");
            Microsoft.Office.Interop.Word.Application wordApplication = new Microsoft.Office.Interop.Word.Application();
            try
            {
                if (!File.Exists(xpsDocName))
                {
                    wordApplication.Documents.Add(wordDocName);
                    Microsoft.Office.Interop.Word.Document doc = wordApplication.ActiveDocument;
                    doc.ExportAsFixedFormat(xpsDocName, WdExportFormat.wdExportFormatXPS, false, WdExportOptimizeFor.wdExportOptimizeForPrint, WdExportRange.wdExportAllDocument, 0, 0, WdExportItem.wdExportDocumentContent, true, true, WdExportCreateBookmarks.wdExportCreateHeadingBookmarks, true, true, false, Type.Missing);
                    result = new XpsDocument(xpsDocName, System.IO.FileAccess.Read);
                }

                if (File.Exists(xpsDocName))
                {
                    result = new XpsDocument(xpsDocName, FileAccess.Read);
                }

            }
            catch (Exception ex)
            {
                string error = ex.Message;
                wordApplication.Quit(WdSaveOptions.wdDoNotSaveChanges);
            }

            wordApplication.Quit(WdSaveOptions.wdDoNotSaveChanges);

            return result;
        }
//页面调用

DocumentViewer docViewer = new DocumentViewer();
docViewer.Document = new XpsDocument(("地址参数"+ ".xps"), System.IO.FileAccess.Read).GetFixedDocumentSequence();

docViewer.FitToWidth();