create pdf file using Spire.Pdf or iTextSharp or PdfSharp

Spire.Pdf:

注：pdf 显示中文一定要设置相应的中文字体，其他外文类似。否则显示为乱码（ 如果繁体的服务器上生成的中文内容PDF文档，在简体操作系统保存或并传给简体系统上查看，会存在乱码问题，这个需要考虑的）

安装配置：PM> Install-Package Spire.PDF

https://sourceforge.net/projects/freespirepdffornet/

https://code.msdn.microsoft.com/windowsapps/Using-SpirePDF-In-AspNet-425e5d56

https://pdfapi.codeplex.com/

http://freepdf.codeplex.com/

https://stackoverflow.com/questions/5566186/print-pdf-in-c-sharp

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/// <summary> /// https://stackoverflow.com/questions/5566186/print-pdf-in-c-sharp /// </summary> public partial class Form1 : Form { public Form1() { InitializeComponent(); }   private void button1_Click(object sender, EventArgs e) { //Create a pdf document. PdfDocument doc = new PdfDocument();   //margin PdfUnitConvertor unitCvtr = new PdfUnitConvertor(); PdfMargins margin = new PdfMargins(); margin.Top = unitCvtr.ConvertUnits(2.54f, PdfGraphicsUnit.Centimeter, PdfGraphicsUnit.Point); margin.Bottom = margin.Top; margin.Left = unitCvtr.ConvertUnits(3.17f, PdfGraphicsUnit.Centimeter, PdfGraphicsUnit.Point); margin.Right = margin.Left;   // Create one page PdfPageBase page = doc.Pages.Add(PdfPageSize.A4, margin); Image img = Image.FromFile(@"data\bg.jpg"); page.BackgroundImage = img;   //Draw table DrawPage(page);   //Save pdf file. doc.SaveToFile("ImageWaterMark.pdf"); doc.Close();   //Launching the Pdf file. // PDFDocumentViewer("ImageWaterMark.pdf"); // PintDocumnet("ImageWaterMark.pdf"); } /// <summary> /// /// </summary> /// <param name="page"></param> private void DrawPage(PdfPageBase page) { float pageWidth = page.Canvas.ClientSize.Width; float y = 0;   //page header PdfPen pen1 = new PdfPen(Color.LightGray, 1f); PdfBrush brush1 = new PdfSolidBrush(Color.LightGray); PdfTrueTypeFont font1 = new PdfTrueTypeFont(new Font("Arial", 8f, FontStyle.Italic)); PdfStringFormat format1 = new PdfStringFormat(PdfTextAlignment.Right); String text = "Demo of Spire.Pdf"; page.Canvas.DrawString(text, font1, brush1, pageWidth, y, format1); SizeF size = font1.MeasureString(text, format1); y = y + size.Height + 1; page.Canvas.DrawLine(pen1, 0, y, pageWidth, y);   //title y = y + 5; PdfBrush brush2 = new PdfSolidBrush(Color.Black); PdfTrueTypeFont font2 = new PdfTrueTypeFont(new Font("Arial", 16f, FontStyle.Bold)); PdfStringFormat format2 = new PdfStringFormat(PdfTextAlignment.Center); format2.CharacterSpacing = 1f; text = "Summary of Science"; page.Canvas.DrawString(text, font2, brush2, pageWidth / 2, y, format2); size = font2.MeasureString(text, format2); y = y + size.Height + 6;   //icon PdfImage image = PdfImage.FromFile(@"data\Wikipedia_Science.jpg"); page.Canvas.DrawImage(image, new PointF(pageWidth - image.PhysicalDimension.Width, y)); float imageLeftSpace = pageWidth - image.PhysicalDimension.Width - 2; float imageBottom = image.PhysicalDimension.Height + y;   //PdfTrueTypeFont font = new PdfTrueTypeFont(new Font("Arial Unicode MS", 11f), true); //PdfCjkStandardFont font1 = new PdfCjkStandardFont(PdfCjkFontFamily.MonotypeSungLight, 11f);   //refenrence content PdfTrueTypeFont font3 = new PdfTrueTypeFont(new Font("Arial", 9f)); PdfStringFormat format3 = new PdfStringFormat(); format3.ParagraphIndent = font3.Size * 2; format3.MeasureTrailingSpaces = true; format3.LineSpacing = font3.Size * 1.5f; String text1 = "(All text and picture from "; String text2 = "Wikipedia"; String text3 = ", the free encyclopedia)"; page.Canvas.DrawString(text1, font3, brush2, 0, y, format3);   size = font3.MeasureString(text1, format3); float x1 = size.Width; format3.ParagraphIndent = 0; PdfTrueTypeFont font4 = new PdfTrueTypeFont(new Font("Arial", 9f, FontStyle.Underline)); PdfBrush brush3 = PdfBrushes.Blue; page.Canvas.DrawString(text2, font4, brush3, x1, y, format3); size = font4.MeasureString(text2, format3); x1 = x1 + size.Width;   page.Canvas.DrawString(text3, font3, brush2, x1, y, format3); y = y + size.Height; //中文字体 //content PdfStringFormat format4 = new PdfStringFormat(); text = System.IO.File.ReadAllText(@"data\Summary_of_Science.txt",System.Text.Encoding.UTF8); PdfTrueTypeFont font5 = new PdfTrueTypeFont(new Font("华文仿宋", 10f), true); // 华文仿宋 Arial Unicode MS true：是否unicode字符   format4.LineSpacing = font5.Size * 1.5f; PdfStringLayouter textLayouter = new PdfStringLayouter(); float imageLeftBlockHeight = imageBottom - y; PdfStringLayoutResult result = textLayouter.Layout(text, font5, format4, new SizeF(imageLeftSpace, imageLeftBlockHeight)); if (result.ActualSize.Height < imageBottom - y) { imageLeftBlockHeight = imageLeftBlockHeight + result.LineHeight; result = textLayouter.Layout(text, font5, format4, new SizeF(imageLeftSpace, imageLeftBlockHeight)); } foreach (LineInfo line in result.Lines) { page.Canvas.DrawString(line.Text, font5, brush2, 0, y, format4); //result.Remainder = line.Text; y = y + result.LineHeight; }   PdfTextWidget textWidget = new PdfTextWidget("涂聚文编", font5, brush2);//result.Remainder   PdfTextLayout textLayout = new PdfTextLayout(); textLayout.Break = PdfLayoutBreakType.FitPage; textLayout.Layout = PdfLayoutType.Paginate; RectangleF bounds = new RectangleF(new PointF(0, y), page.Canvas.ClientSize); textWidget.StringFormat = format4; textWidget.Draw(page, bounds, textLayout); } /// <summary> /// 浏览 /// </summary> /// <param name="fileName"></param> private void PDFDocumentViewer(string fileName) { try { System.Diagnostics.Process.Start(fileName); } catch { } } /// <summary> /// 打印 /// </summary> /// <param name="pdfPathAndFileName"></param> private void PintDocumnet(string pdfPathAndFileName) { PdfDocument pdfdocument = new PdfDocument(); pdfdocument.LoadFromFile(pdfPathAndFileName); pdfdocument.PrinterName = @"\\192.168.20.90\mpc4501"; pdfdocument.PrintDocument.PrinterSettings.Copies = 2; pdfdocument.PrintDocument.Print(); pdfdocument.Dispose(); }   }

　web:

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using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using Spire.Pdf; using Spire.License.V1_2; using Spire.Pdf.Graphics; using Spire.Pdf.Tables; using System.Drawing; using System.IO;   namespace SpirePDFDemo {       /// <summary>     ///     /// </summary>     public partial class _Default : System.Web.UI.Page     {           /// <summary>         ///         /// </summary>         /// <param name="sender"></param>         /// <param name="e"></param>         protected void Page_Load(object sender, EventArgs e)         {               }         /// <summary>         ///         /// </summary>         /// <param name="page"></param>         private void DrawPage(PdfPageBase page)         {               string local = Server.MapPath(@"~/");               float pageWidth = page.Canvas.ClientSize.Width;             float y = 0;               //page header             PdfPen pen1 = new PdfPen(Color.LightGray, 1f);             PdfBrush brush1 = new PdfSolidBrush(Color.LightGray);             PdfTrueTypeFont font1 = new PdfTrueTypeFont(new Font("Arial", 8f, FontStyle.Italic));             PdfStringFormat format1 = new PdfStringFormat(PdfTextAlignment.Right);             String text = "Demo of Spire.Pdf";             page.Canvas.DrawString(text, font1, brush1, pageWidth, y, format1);             SizeF size = font1.MeasureString(text, format1);             y = y + size.Height + 1;             page.Canvas.DrawLine(pen1, 0, y, pageWidth, y);               //title             y = y + 5;             PdfBrush brush2 = new PdfSolidBrush(Color.Black);             PdfTrueTypeFont font2 = new PdfTrueTypeFont(new Font("Arial", 16f, FontStyle.Bold));             PdfStringFormat format2 = new PdfStringFormat(PdfTextAlignment.Center);             format2.CharacterSpacing = 1f;             text = "Summary of Science";             page.Canvas.DrawString(text, font2, brush2, pageWidth / 2, y, format2);             size = font2.MeasureString(text, format2);             y = y + size.Height + 6;               //icon             PdfImage image = PdfImage.FromFile(local+@"\data\Wikipedia_Science.jpg");             page.Canvas.DrawImage(image, new PointF(pageWidth - image.PhysicalDimension.Width, y));             float imageLeftSpace = pageWidth - image.PhysicalDimension.Width - 2;             float imageBottom = image.PhysicalDimension.Height + y;               //PdfTrueTypeFont font = new PdfTrueTypeFont(new Font("Arial Unicode MS", 11f), true);             //PdfCjkStandardFont font1 = new PdfCjkStandardFont(PdfCjkFontFamily.MonotypeSungLight, 11f);               //refenrence content             PdfTrueTypeFont font3 = new PdfTrueTypeFont(new Font("Arial", 9f));             PdfStringFormat format3 = new PdfStringFormat();             format3.ParagraphIndent = font3.Size * 2;             format3.MeasureTrailingSpaces = true;             format3.LineSpacing = font3.Size * 1.5f;             String text1 = "(All text and picture from ";             String text2 = "Wikipedia";             String text3 = ", the free encyclopedia)";             page.Canvas.DrawString(text1, font3, brush2, 0, y, format3);               size = font3.MeasureString(text1, format3);             float x1 = size.Width;             format3.ParagraphIndent = 0;             PdfTrueTypeFont font4 = new PdfTrueTypeFont(new Font("Arial", 9f, FontStyle.Underline));             PdfBrush brush3 = PdfBrushes.Blue;             page.Canvas.DrawString(text2, font4, brush3, x1, y, format3);             size = font4.MeasureString(text2, format3);             x1 = x1 + size.Width;               page.Canvas.DrawString(text3, font3, brush2, x1, y, format3);             y = y + size.Height;             //中文字体             //content             PdfStringFormat format4 = new PdfStringFormat();             text = System.IO.File.ReadAllText(local + @"data\Summary_of_Science.txt", System.Text.Encoding.UTF8);             PdfTrueTypeFont font5 = new PdfTrueTypeFont(new Font("华文仿宋", 10f), true);  // 华文仿宋   Arial Unicode MS   true：是否unicode字符               format4.LineSpacing = font5.Size * 1.5f;             PdfStringLayouter textLayouter = new PdfStringLayouter();             float imageLeftBlockHeight = imageBottom - y;             PdfStringLayoutResult result                 = textLayouter.Layout(text, font5, format4, new SizeF(imageLeftSpace, imageLeftBlockHeight));             if (result.ActualSize.Height < imageBottom - y)             {                 imageLeftBlockHeight = imageLeftBlockHeight + result.LineHeight;                 result = textLayouter.Layout(text, font5, format4, new SizeF(imageLeftSpace, imageLeftBlockHeight));             }             foreach (LineInfo line in result.Lines)             {                 page.Canvas.DrawString(line.Text, font5, brush2, 0, y, format4);                 //result.Remainder = line.Text;                 y = y + result.LineHeight;             }               PdfTextWidget textWidget = new PdfTextWidget("涂聚文编", font5, brush2);//result.Remainder               PdfTextLayout textLayout = new PdfTextLayout();             textLayout.Break = PdfLayoutBreakType.FitPage;             textLayout.Layout = PdfLayoutType.Paginate;             RectangleF bounds = new RectangleF(new PointF(0, y), page.Canvas.ClientSize);             textWidget.StringFormat = format4;             textWidget.Draw(page, bounds, textLayout);         }         /// <summary>         /// 浏览         /// </summary>         /// <param name="fileName"></param>         private void PDFDocumentViewer(string fileName)         {             try             {                 System.Diagnostics.Process.Start(fileName);             }             catch { }         }         /// <summary>         /// 打印         /// </summary>         /// <param name="pdfPathAndFileName"></param>         private void PintDocumnet(string pdfPathAndFileName)         {             PdfDocument pdfdocument = new PdfDocument();             pdfdocument.LoadFromFile(pdfPathAndFileName);             pdfdocument.PrinterName = @"\\192.168.20.90\mpc4501";             pdfdocument.PrintDocument.PrinterSettings.Copies = 2;             pdfdocument.PrintDocument.Print();             pdfdocument.Dispose();         }         /// <summary>         ///         /// </summary>         /// <param name="sender"></param>         /// <param name="e"></param>         protected void Button1_Click(object sender, EventArgs e)         {             string local = Server.MapPath(@"~/");             //Create a pdf document.             PdfDocument doc = new PdfDocument();               //margin             PdfUnitConvertor unitCvtr = new PdfUnitConvertor();             PdfMargins margin = new PdfMargins();             margin.Top = unitCvtr.ConvertUnits(2.54f, PdfGraphicsUnit.Centimeter, PdfGraphicsUnit.Point);             margin.Bottom = margin.Top;             margin.Left = unitCvtr.ConvertUnits(3.17f, PdfGraphicsUnit.Centimeter, PdfGraphicsUnit.Point);             margin.Right = margin.Left;               // Create one page             PdfPageBase page = doc.Pages.Add(PdfPageSize.A4, margin);               System.Drawing.Image img = System.Drawing.Image.FromFile(local+@"data\bg.jpg");             page.BackgroundImage = img;               //Draw table             DrawPage(page);               //Save pdf file.             doc.SaveToFile(local + "data\\ImageWaterMark.pdf");             doc.Close();               //Launching the Pdf file.             // PDFDocumentViewer(local + "data\\ImageWaterMark.pdf");             //             PintDocumnet(local + "data\\ImageWaterMark.pdf");         }     } }

　　

 

　iTextSharp：

https://github.com/itext/itextsharp

https://github.com/itext

https://github.com/itext/itext7-dotnet/releases/tag/7.0.4

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// public const string FONT = "c:/windows/fonts/arialbd.ttf"; //中文一定要是中文字体        // BaseFont bf = BaseFont.CreateFont(FONT, BaseFont.IDENTITY_H, BaseFont.EMBEDDED);           /// <summary>         /// Helper for DoCreateFromXmlStore(...).         /// Loads data from an XmlStore (or 'Plain Vanilla' XML) file into         /// the iTextSharp document.         /// NOTE: if you want to load data from some other source, clone this method and         /// write code specific to that data source, (i.e., replace the XmlStore-specific code)         /// but generally follow the pattern used here.         /// </summary>         /// <param name="document">the target iTextSharp document</param>         /// <param name="sXmlStoreFile">the source XmlStore (or 'Plain Vanilla' XML) file</param>         /// <returns>'true' if successful</returns>         private bool DoLoadDocument(Document document, string sXmlStoreFile)         {             bool bRet = false;               try             {                 int numRecordsInXml = 0;                 int numColumnsInXml = 0;                 bool bExcludeIdColumn = true;                 int BODY = 0;   //index for font                 int HDR = 1;   //index for font                   if (sXmlStoreFile.Length > 0)                 {                     //--- create an instance of XmlStore                     VVX.XmlStore xstore = new XmlStore(sXmlStoreFile);                       //--- load the data from the Xml file                     numRecordsInXml = xstore.DoLoadRecords();                       numColumnsInXml = xstore.Fields.Length;                       if (numRecordsInXml > 0 && numColumnsInXml > 0)                     {                         int numColumnsInPDF = numColumnsInXml;                         if (bExcludeIdColumn)                             numColumnsInPDF = numColumnsInXml - 1;                           // as we have data, we can create a PDFPTable                         PdfPTable datatable = new PdfPTable(numColumnsInPDF);                           // define the column headers, sizes, etc.                         datatable.DefaultCell.Padding = 3;  //in Points                           //------------------------------------------------------------                         // Set Column Widths                         //------------------------------------------------------------                         //--- set the relative width of each column                           float[] columnWidthInPct = new float[numColumnsInPDF];                         int col;                           //--- see if we have width data for the Fields in XmlStore                         float widthTotal = xstore.DoGetColumnWidthsTotal();                         for (col = 0; col < numColumnsInPDF; col++)                         {                             if (widthTotal == 0f)                             {                                 //--- equal widths (UGH!)                                 columnWidthInPct[col] = 100f / (float)numColumnsInPDF;                             }                             else                             {                                 float widthCol = xstore.DoGetColumnWidth(col);                                 columnWidthInPct[col] = widthCol;                             }                         }                         //--- set the total width of the table                         if (mfWidthScaleFactor <= 0 || widthTotal == 0f)                             datatable.WidthPercentage = 100; // percentage                         else                             datatable.WidthPercentage = widthTotal * mfWidthScaleFactor; // percentage                           datatable.SetWidths(columnWidthInPct);                         //获取所有打印机和安装字体                         BaseFont bf = BaseFont.CreateFont(@"C:\Windows\Fonts\simhei.ttf", BaseFont.IDENTITY_H, BaseFont.EMBEDDED);                         //------------------------------------------------------------                         // Init fonts to be used                         //------------------------------------------------------------                         Font[] fonts = new Font[2];                         string fontName = this.DoCvtToFontName(this.menBodyTypeFace);                         float fontSize = this.mfBodyTypeSize;                           int fontStyle = 0;                         if (this.mbBodyTypeStyleBold)                             fontStyle |= Font.BOLD;                         if (this.mbBodyTypeStyleItalics)                             fontStyle |= Font.ITALIC;                         fonts[0] = FontFactory.GetFont(this.DoCvtToFontName(this.menBodyTypeFace),                                                        this.mfBodyTypeSize,                                                        this.DoCvtToStyle(this.mbBodyTypeStyleBold,                                                                          this.mbBodyTypeStyleItalics)                                                        );                         fonts[1] = FontFactory.GetFont(this.DoCvtToFontName(this.menHeaderTypeFace),                                                        this.mfHeaderTypeSize,                                                        this.DoCvtToStyle(this.mbHeaderTypeStyleBold,                                                                          this.mbHeaderTypeStyleItalics)                                                        );                             //------------------------------------------------------------                         // Set Column Header Cell Attributes                         //------------------------------------------------------------                         datatable.DefaultCell.BorderWidth = 1;                         datatable.DefaultCell.HorizontalAlignment = Element.ALIGN_CENTER;                           //------------------------------------------------------------                         // Set Column Header Text                         //------------------------------------------------------------                         //int row = 0;                         for (col = 0; col < numColumnsInXml; col++)                         {                             if (bExcludeIdColumn)                                 if (col == xstore.ColumnUID)                                     continue;                               string sHdr = xstore.Fields[col].title;                             Chunk chunk = new Chunk(sHdr, fonts[HDR]);                             Phrase phrase = new Phrase(chunk);                             datatable.AddCell(phrase);                         }                         datatable.HeaderRows = 1;                            //------------------------------------------------------------                         // Set the Data (i.e., rows)                         //------------------------------------------------------------                         //--- now add the rows of data                         for (int row = 0; row < numRecordsInXml; row++)                         {                             // NOTE: if mbApplyAlternatingColors is 'true'                             //       the fill may cover any watermarks you want                             if (mbApplyAlternatingColors && (row % 2 == 1))                             {                                 datatable.DefaultCell.GrayFill = 0.9f;  //very light gray                             }                               string[] bogusData = xstore.DoGetRecord(row);                             for (col = 0; col < numColumnsInXml; col++)                             {                                 if (bExcludeIdColumn)                                     if (col == xstore.ColumnUID)                                         continue;                                   string sText = bogusData[col];                                 Chunk chunk = new Chunk(sText, fonts[BODY]);                                 Phrase phrase = new Phrase(chunk);                                 datatable.AddCell(phrase);                             }                               // NOTE: if mbApplyAlternatingColors is 'true'                             //       the fill will cover any watermarks you want                             if (mbApplyAlternatingColors && (row % 2 == 1))                             {                                 datatable.DefaultCell.GrayFill = 1.0f;  //white                             }                         }                           //------------------------------------------------------------                         // create an event handler instance                         // This event handler does page-specific "drawing" and "painting"                         // such as drawing the "title" in the header, the page number in the footer                         // the watermark, and the gray background for the column header                         //------------------------------------------------------------                         VVX.XmlStoreEvent pageEvent = new XmlStoreEvent();                         // configure it                         this.DoConfigPageEventHandler(pageEvent);                           // set the TableEvent to communicate with the event handler                         datatable.TableEvent = pageEvent;                           //------------------------------------------------------------                         // Add the table to the PDF document                         //------------------------------------------------------------                         document.Add(datatable);                           // let the caller know we successfully reached 'the end' of this                         // request, i.e. loading the data into the iTextSharp 'document'                           bRet = true;                     }                 }             }             catch (Exception e)             {                 this.Message += e.StackTrace;                 Debug.WriteLine(this.Message);             }               if (bRet == false)             {                 document.Add(new Paragraph("Failed to load data from" + sXmlStoreFile));             }               return bRet;         }

　PdfSharp:

http://pdfsharp.codeplex.com/

https://github.com/empira/PDFsharp/

https://sourceforge.net/projects/pdfsharp/

https://www.nuget.org/packages/PdfSharp

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/// <summary> /// /// </summary> public partial class Form1 : Form {     /// <summary>     /// Renders the content of the page.     /// </summary>     public void Render(XGraphics gfx)     {           XRect rect;         XPen pen;         double x = 50, y = 100;         XFont fontH1 = new XFont("华文仿宋", 18, XFontStyle.Bold);//华文仿宋         XFont font = new XFont("华文仿宋", 12);//Arial  必须是中文字体         XFont fontItalic = new XFont("Arial Unicode MS", 12, XFontStyle.BoldItalic);         double ls = 14;// font.GetHeight(gfx);   //GetHeight           // Draw some text         gfx.DrawString("Create PDF on the fly with PDFsharp  中国文",             fontH1, XBrushes.Black, x, x);         gfx.DrawString("With PDFsharp you can use the same code to draw graphic, " +             "text and images on different targets.涂聚文，捷为工作室", font, XBrushes.Black, x, y);         y += ls;         gfx.DrawString("The object used for drawing is the XGraphics object.",             font, XBrushes.Black, x, y);         y += 2 * ls;           // Draw an arc         pen = new XPen(XColors.Red, 4);         pen.DashStyle = XDashStyle.Dash;         gfx.DrawArc(pen, x + 20, y, 100, 60, 150, 120);           // Draw a star                     gfx.TranslateTransform(x + 140, y + 30);         for (int idx = 0; idx < 360; idx += 10)         {             gfx.RotateTransform(10);             gfx.DrawLine(XPens.DarkGreen, 0, 0, 30, 0);         }           XGraphicsState gs = gfx.Save();         gfx.Restore(gs);             // Draw a rounded rectangle         rect = new XRect(x + 230, y, 100, 60);         pen = new XPen(XColors.DarkBlue, 2.5);         XColor color1 = XColor.FromKnownColor(XKnownColor.DarkBlue);//  //XColor.FromKnownColor(KnownColor.DarkBlue);         XColor color2 = XColors.Red;         XLinearGradientBrush lbrush = new XLinearGradientBrush(rect, color1, color2,           XLinearGradientMode.Vertical);         gfx.DrawRoundedRectangle(pen, lbrush, rect, new XSize(10, 10));           // Draw a pie         pen = new XPen(XColors.DarkOrange, 1.5);         pen.DashStyle = XDashStyle.Dot;         gfx.DrawPie(pen, XBrushes.Blue, x + 360, y, 100, 60, -130, 135);         //没有自动分行         // Draw some more text         y += 60 + 2 * ls;         gfx.DrawString("With XGraphics you can draw on a PDF page as well as " +             "on any System.Drawing.Graphics object.", font, XBrushes.Black, x, y);         y += ls * 1.1;         gfx.DrawString("Use the same code to", font, XBrushes.Black, x, y);         x += 10;         y += ls * 1.1;         gfx.DrawString("• draw on a newly created PDF page", font, XBrushes.Black, x, y);         y += ls;         gfx.DrawString("• draw above or beneath of the content of an existing PDF page",             font, XBrushes.Black, x, y);         y += ls;         gfx.DrawString("• draw in a window", font, XBrushes.Black, x, y);         y += ls;         gfx.DrawString("• draw on a printer", font, XBrushes.Black, x, y);         y += ls;         gfx.DrawString("• draw in a bitmap image", font, XBrushes.Black, x, y);         x -= 10;         y += ls * 1.1;         gfx.DrawString("You can also import an existing PDF page and use it like " +             "an image, e.g. draw it on another PDF page.", font, XBrushes.Black, x, y);         y += ls * 1.1 * 2;         gfx.DrawString("Imported PDF pages are neither drawn nor printed; create a " +             "PDF file to see or print them!", fontItalic, XBrushes.Firebrick, x, y);         y += ls * 1.1;         gfx.DrawString("Below this text is a PDF form that will be visible when " +             "viewed or printed with a PDF viewer.", fontItalic, XBrushes.Firebrick, x, y);         y += ls * 1.1;         //XGraphicsState state = gfx.Save();         //gfx.Restore(state);         XRect rcImage = new XRect(100, y, 100, 100 * Math.Sqrt(2));         gfx.DrawRectangle(XBrushes.Snow, rcImage);         gfx.DrawImage(XPdfForm.FromFile("bicycle.pdf"), rcImage);                   XGraphicsState states = gfx.Save();         gfx.Restore(states);                }     /// <summary>     ///     /// </summary>     public Form1()     {         InitializeComponent();     }     /// <summary>     ///     /// </summary>     /// <param name="sender"></param>     /// <param name="e"></param>     private void Form1_Load(object sender, EventArgs e)     {               }     /// <summary>     ///     /// </summary>     /// <param name="sender"></param>     /// <param name="e"></param>     private void button1_Click(object sender, EventArgs e)     {         // Create a new PDF document         PdfSharp.Pdf.PdfDocument document = new PdfSharp.Pdf.PdfDocument();           // Create an empty page         PdfPage page = document.AddPage();         //page.Contents.CreateSingleContent().Stream.UnfilteredValue;           // Get an XGraphics object for drawing         XGraphics gfx = XGraphics.FromPdfPage(page);         Render(gfx);        SaveFileDialog saveFileDialog1 = new SaveFileDialog();           saveFileDialog1.Filter = "pdf files (*.pdf)|*.pdf|All files (*.*)|*.*";         saveFileDialog1.FilterIndex = 1;         saveFileDialog1.RestoreDirectory = true;           if (saveFileDialog1.ShowDialog() == DialogResult.OK)         {             document.Save(saveFileDialog1.FileName);             Process.Start(saveFileDialog1.FileName);         }     }

　　https://github.com/mozilla/pdf.js/