C# Document.Close方法代码示例

        virtual public void TestCreatePdfA_2()
        {
            bool exceptionThrown = false;
            Document document;
            PdfAWriter writer;
            try
            {
                string filename = OUT + "TestCreatePdfA_1.pdf";
                FileStream fos = new FileStream(filename, FileMode.Create);

                document = new Document();

                writer = PdfAWriter.GetInstance(document, fos, PdfAConformanceLevel.PDF_A_1A);
                writer.CreateXmpMetadata();

                document.Open();

                Font font = FontFactory.GetFont(RESOURCES + "FreeMonoBold.ttf", BaseFont.WINANSI, BaseFont.NOT_EMBEDDED, 12, Font.BOLD);
                document.Add(new Paragraph("Hello World", font));

                FileStream iccProfileFileStream = File.Open(RESOURCES + "sRGB Color Space Profile.icm", FileMode.Open, FileAccess.Read, FileShare.Read);
                ICC_Profile icc = ICC_Profile.GetInstance(iccProfileFileStream);
                iccProfileFileStream.Close();

                writer.SetOutputIntents("Custom", "", "http://www.color.org", "sRGB IEC61966-2.1", icc);
                document.Close();
            }
            catch (PdfAConformanceException)
            {
                exceptionThrown = true;
            }
            if (!exceptionThrown)
                Assert.Fail("PdfAConformance exception should be thrown");
        }

        private void buttonMerge_Click(object sender, RoutedEventArgs e)
        {
            //new Document
            Document doc = new Document();
            doc.LoadFromFile(@"..\..\..\..\..\Data\Fax.doc");

            String[] fieldNames
                = new String[] { "Contact Name", "Fax", "From", "Date", "Subject", "Content" };
            DateTime faxDate
                = this.datePickerFaxDate.SelectedDate.HasValue ?
                    this.datePickerFaxDate.SelectedDate.Value : DateTime.Now;
            String[] fieldValues
                = new String[] 
                {
                    this.textBoxTo.Text,
                    this.textBoxFax.Text,
                    this.textBoxFrom.Text,
                    faxDate.ToShortDateString(),
                    this.textBoxSubject.Text,
                    this.textBoxContent.Text
                };
            doc.MailMerge.Execute(fieldNames, fieldValues);

            bool? result = this.saveFileDialog.ShowDialog();
            if (result.HasValue && result.Value)
            {
                using (Stream stream = this.saveFileDialog.OpenFile())
                {
                    doc.SaveToStream(stream, FileFormat.Doc);
					doc.Close();
                }
            }
        }

        /// <summary>
        /// Reason : To get Text from image
        /// </summary>
        /// <param name="fileName"></param>
        /// <returns></returns>
        public string ExtractTextFromImage(string fileName)
        {
            try
            {
                GC.WaitForPendingFinalizers();

                string ExtractedTest = "";
                string filePath = fileName.Trim() != "" ? @fileName : @"C:\Users\Cuelogic\Desktop\sample images\Untitled.png";
                Document doc = new Document();
                doc.Create(filePath);
                Thread.Sleep(500);
                try
                {
                    Thread.BeginCriticalRegion();
                    doc.OCR(MiLANGUAGES.miLANG_ENGLISH, true, true);
                }
                catch (Exception) { return ""; }

                MODI.Image modiImage = (doc.Images[0] as MODI.Image);
                ExtractedTest = modiImage.Layout.Text;
                doc.Close();
                Thread.EndCriticalRegion();
                return ExtractedTest;
            }
            catch (Exception)
            {
                return "";
            }
            finally
            {
                GC.Collect();
            }
        }

        /// <summary>
        /// Reason : To get Text from image
        /// </summary>
        /// <param name="fileName">Input file name</param>
        /// <returns>Return Text from image</returns>
        public string ExtractTextFromImage(string fileName)
        {
            try
            {
                if (fileName.Trim() == "")
                    return "File name can not be null";

                string ExtractedTest = "";
                Document doc = new Document();
                GC.WaitForPendingFinalizers();
                doc.Create(fileName);
                Thread.Sleep(500);
                try
                {
                    Thread.BeginCriticalRegion();
                    doc.OCR(MiLANGUAGES.miLANG_ENGLISH, true, true);
                }
                catch (Exception) { return ""; }

                MODI.Image modiImage = (doc.Images[0] as MODI.Image);
                ExtractedTest = modiImage.Layout.Text;
                doc.Close();
                Thread.EndCriticalRegion();
                return ExtractedTest;
            }
            catch (Exception)
            {
                return "";
            }
            finally
            {
                GC.Collect();
            }
        }

        public override string Read(FileInfo fileInfo)
        {
            object nullobj = System.Reflection.Missing.Value;
            object readOnly = true;
            object noEncodingDialog = true;
            object confirmConversions = false;
            object visible = false;
            object filePath = fileInfo.FullName;
            object openAndRepair = false;

            object openFormat = WdOpenFormat.wdOpenFormatAuto;

            _wordDoc = WordApp.Documents.Open(
                ref filePath, ref confirmConversions, ref readOnly, ref nullobj, ref nullobj,
                ref nullobj, ref nullobj, ref nullobj, ref nullobj, ref openFormat,
                ref nullobj, ref visible, ref openAndRepair, ref nullobj, ref noEncodingDialog,
                ref nullobj);

            // Make this document the active document.
            _wordDoc.Activate();

            string result = WordApp.ActiveDocument.Content.Text;

            _wordDoc.Close(ref nullobj, ref nullobj, ref nullobj);

            return result;
        }

        public void MetadaCheckTest() {
            FileStream fos = new FileStream(OUT + "metadaPDFA2CheckTest1.pdf", FileMode.Create);
            Document document = new Document();
            PdfWriter writer = PdfAWriter.GetInstance(document, fos, PdfAConformanceLevel.PDF_A_2B);
            document.Open();
            PdfContentByte canvas = writer.DirectContent;

            canvas.SetColorFill(BaseColor.LIGHT_GRAY);
            canvas.MoveTo(writer.PageSize.Left, writer.PageSize.Bottom);
            canvas.LineTo(writer.PageSize.Right, writer.PageSize.Bottom);
            canvas.LineTo(writer.PageSize.Right, writer.PageSize.Top);
            canvas.LineTo(writer.PageSize.Left, writer.PageSize.Bottom);
            canvas.Fill();

            FileStream iccProfileFileStream = File.Open(RESOURCES + "sRGB Color Space Profile.icm", FileMode.Open, FileAccess.Read, FileShare.Read);
            ICC_Profile icc = ICC_Profile.GetInstance(iccProfileFileStream);
            iccProfileFileStream.Close();

            writer.SetOutputIntents("Custom", "", "http://www.color.org", "sRGB IEC61966-2.1", icc);

            bool exceptionThrown = false;
            try {
                document.Close();
            }
            catch (PdfAConformanceException exc) {
                exceptionThrown = true;
            }

            if (!exceptionThrown)
                Assert.Fail("PdfAConformance exception should be thrown on unknown blend mode.");
        }

            public Document_Class()
            {
                _doc = _DocApp.Documents.Add(ref missing, ref missing, ref missing, ref missing);

                foreach (Microsoft.Office.Interop.Word.Section section in _doc.Sections)
                {
                    Range headerRange = section.Headers[WdHeaderFooterIndex.wdHeaderFooterPrimary].Range;
                    headerRange.Fields.Add(headerRange, WdFieldType.wdFieldPage);
                    headerRange.ParagraphFormat.Alignment = WdParagraphAlignment.wdAlignParagraphCenter;
                    headerRange.Font.ColorIndex = WdColorIndex.wdBlue;
                    headerRange.Font.Size = 10;
                    headerRange.Text = "TEST";
                }
                foreach (Microsoft.Office.Interop.Word.Section wordSection in _doc.Sections)
                {
                    Range footerRange = wordSection.Footers[WdHeaderFooterIndex.wdHeaderFooterPrimary].Range;
                    footerRange.Font.ColorIndex = WdColorIndex.wdDarkRed;
                    footerRange.Font.Size = 10;
                    footerRange.ParagraphFormat.Alignment = WdParagraphAlignment.wdAlignParagraphCenter;
                    footerRange.Text = "Footer TEST";
                }

                _doc.Content.SetRange(0, 0);
                _doc.Content.Text = "Text TEST";

                object filename = @"c:\temp1.docx";
                _doc.SaveAs2(ref filename);
                _doc.Close(ref missing, ref missing, ref missing);
                _doc = null;
                _DocApp.Quit(ref missing, ref missing, ref missing);
                _DocApp = null;
                //MessageBox.Show("Document created successfully !");
            }

        protected void btnCreatePDF_Click(object sender, EventArgs e)
        {
            // create a PDF document
            Document document = new Document();

            // set the license key
            document.LicenseKey = "B4mYiJubiJiInIaYiJuZhpmahpGRkZE=";

            // add a page to the PDF document
            PdfPage firstPage = document.AddPage();

            string imagesPath = System.IO.Path.Combine(Server.MapPath("~"), "Images");

            // display image in the available space in page and with a auto determined height to keep the aspect ratio
            ImageElement imageElement1 = new ImageElement(0, 0, System.IO.Path.Combine(imagesPath, "evologo-250.png"));
            AddElementResult addResult = firstPage.AddElement(imageElement1);

            // display image with the specified width and the height auto determined to keep the aspect ratio
            // the images is displayed to the right of the previous image and the bounds of the image inside the current page
            // are taken from the AddElementResult object
            ImageElement imageElement2 = new ImageElement(addResult.EndPageBounds.Right + 10, 0, 100,
                    System.IO.Path.Combine(imagesPath, "evologo-250.png"));
            addResult = firstPage.AddElement(imageElement2);

            // Display image with the specified width and the specified height. It is possible for the image to not preserve the aspect ratio
            // The images is displayed to the right of the previous image and the bounds of the image inside the current page
            // are taken from the AddElementResult object
            ImageElement imageElement3 = new ImageElement(addResult.EndPageBounds.Right + 10, 0, 100, 50,
                    System.IO.Path.Combine(imagesPath, "evologo-250.png"));
            addResult = firstPage.AddElement(imageElement3);

            try
            {
                // get the PDF document bytes
                byte[] pdfBytes = document.Save();

                // send the generated PDF document to client browser

                // get the object representing the HTTP response to browser
                HttpResponse httpResponse = HttpContext.Current.Response;

                // add the Content-Type and Content-Disposition HTTP headers
                httpResponse.AddHeader("Content-Type", "application/pdf");
                httpResponse.AddHeader("Content-Disposition", String.Format("attachment; filename=ImageElement.pdf; size={0}", pdfBytes.Length.ToString()));

                // write the PDF document bytes as attachment to HTTP response
                httpResponse.BinaryWrite(pdfBytes);

                // Note: it is important to end the response, otherwise the ASP.NET
                // web page will render its content to PDF document stream
                httpResponse.End();
            }
            finally
            {
                // close the PDF document to release the resources
                document.Close();
            }
        }

 private string ExtractTextFromImage(string filePath)
 {
     Document modiDocument = new Document();
     modiDocument.Create(filePath);
     modiDocument.OCR(MiLANGUAGES.miLANG_ENGLISH);
     MODI.Image modiImage = (modiDocument.Images[0] as MODI.Image);
     string extractedText = modiImage.Layout.Text;
     modiDocument.Close();
     return extractedText;
 }

        public void Parse(object src, object dest)
        {
            if (src == null || string.IsNullOrEmpty(src.ToString()))
            {
                throw new ArgumentNullException("源文件不能为空");
            }
            if (dest == null || string.IsNullOrEmpty(dest.ToString()))
            {
                throw new ArgumentNullException("目标路径不能为空");
            }
            try
            {
                doc = wordApp.Documents.Open(ref src, ref paraMissing, ref paraMissing
                    , ref paraMissing, ref paraMissing
                    , ref paraMissing, ref paraMissing
                    , ref paraMissing, ref paraMissing, ref paraMissing, ref paraMissing
                    , ref paraMissing, ref paraMissing, ref paraMissing, ref paraMissing
                    , ref paraMissing);

                int startPage = 0;
                int endPage = doc.ComputeStatistics(WdStatistic.wdStatisticPages, ref paraMissing);

                if (doc != null)
                {
                    doc.ExportAsFixedFormat(dest.ToString(), WdExportFormat.wdExportFormatPDF, false, WdExportOptimizeFor.wdExportOptimizeForOnScreen
                        , WdExportRange.wdExportAllDocument, startPage, endPage, WdExportItem.wdExportDocumentWithMarkup,
                        true, true, WdExportCreateBookmarks.wdExportCreateWordBookmarks, true, true, true, ref paraMissing);
                }
            }
            catch (Exception ex)
            {
                throw ex;
            }
            finally
            {
                if (doc != null)
                {
                    doc.Close(ref paraMissing, ref paraMissing, ref paraMissing);
                    doc = null;
                }

                if (wordApp != null)
                {
                    wordApp.Quit(ref paraMissing, ref paraMissing, ref paraMissing);
                    wordApp = null;
                }
                GC.Collect();
                GC.WaitForPendingFinalizers();
                GC.Collect();
                GC.WaitForPendingFinalizers();
            }
        }

 public string ToCht(string chs)
 {
     var doc = new Document();
     doc.Content.Text = chs;
     doc.Content.TCSCConverter(WdTCSCConverterDirection.wdTCSCConverterDirectionSCTC, true, true);
     string des = doc.Content.Text;
     object saveChanges = false;
     object originalFormat = Missing.Value;
     object routeDocument = Missing.Value;
     doc.Close(ref saveChanges, ref originalFormat, ref routeDocument);
     GC.Collect();
     return des;
 }

 ///
 /// 使用 Office Word (Microsoft.Office.Interop.Word) 進行轉換
 ///
 public static string ConvertUsingWord(string argSource, bool argIsCht)
 {
     var doc = new Document();
     doc.Content.Text = argSource;
     doc.Content.TCSCConverter(
         argIsCht
             ? WdTCSCConverterDirection.wdTCSCConverterDirectionTCSC
             : WdTCSCConverterDirection.wdTCSCConverterDirectionSCTC, true, true);
     var ret = doc.Content.Text;
     object saveChanges = false;
     object originalFormat = Missing.Value;
     object routeDocument = Missing.Value;
     doc.Close(ref saveChanges, ref originalFormat, ref routeDocument);
     return ret;
 }

        virtual public void FileTrailer()
        {
            MemoryStream baos = new MemoryStream();
            Document document = new Document();
            PdfWriter.GetInstance(document, baos);
            document.Open();
            document.Add(new Chunk("Hello World"));
            document.Close();

            byte[] bytes = baos.ToArray();
            String str = Encoding.UTF8.GetString(bytes, bytes.Length - 6, 6);
            Assert.AreEqual("%%EOF\n", str);
            PdfReader reader = new PdfReader(baos.ToArray());
            Assert.IsNotNull(reader.Trailer.Get(PdfName.ID));
            reader.Close();
        }

        virtual public void FileHeader()
        {
            MemoryStream baos = new MemoryStream();
            Document document = new Document();
            PdfWriter.GetInstance(document, baos);
            document.Open();
            document.Add(new Chunk("Hello World"));
            document.Close();

            byte[] bytes = baos.ToArray();
            Assert.AreEqual(bytes[0], '%');
            Assert.IsTrue((sbyte)bytes[10] < 0);
            Assert.IsTrue((sbyte)bytes[11] < 0);
            Assert.IsTrue((sbyte)bytes[12] < 0);
            Assert.IsTrue((sbyte)bytes[13] < 0);
        }

        public ImageOCR(string filename)
        {
            _filename = filename;
            ConvertToTiffIfNeeded();
            _modi = new Document();

            try
            {
                _modi.Create(_filename);
                _modi.OCR(MiLANGUAGES.miLANG_SYSDEFAULT, true, true);
                GetWords();
            }
            catch (Exception e)
            {
                Console.WriteLine(e);
            }
            finally
            {
                _modi.Close(false);
                _modi = null;
            }
        }