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Print PDF a file in C#

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C# (.NET Core)

Sample C# code for using PDFTron SDK to print a PDF file using the currently selected default printer. It is possible to use this printing functionality in both client and server applications without dependence on any third party components. Learn more about our C# PDF Library .

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// Copyright (c) 2001-2021 by PDFTron Systems Inc. All Rights Reserved.
using System;
using System.Drawing;
using System.Drawing.Printing;

using pdftron;
using pdftron.PDF;
using pdftron.Common;
using pdftron.Filters;

namespace PDFPrintTestCS
	/// <summary>
	/// The following sample illustrates how to print PDF document using currently selected
	/// default printer. 
	/// The first example uses the new PDF::Print::StartPrintJob function to send a rasterization 
	/// of the document with optimal compression to the printer.  If the OS is Windows 7, then the
	/// XPS print path will be used to preserve vector quality.
	/// The second example uses PDFDraw send unoptimized rasterized data.
	/// If you would like to rasterize page at high resolutions (e.g. more than 600 DPI), you 
	/// should use PDFRasterizer or PDFNet vector output instead of PDFDraw. 
	/// </summary>
	class PDFPrint
		private static pdftron.PDFNetLoader pdfNetLoader = pdftron.PDFNetLoader.Instance();
		static PDFPrint() {}
		PDFDoc pdfdoc = null;
		PDFDraw pdfdraw = null;
		PageIterator pageitr = null;

        static void Main(string[] args)
            var driver = new PDFPrint();

        void Execute(string[] args)

			// Optional: Set ICC color profiles to fine tune color conversion 
			// for PDF 'device' color spaces. You can use your own ICC profiles. 
			// Standard Adobe color profiles can be download from Adobes site: 
			// Simply drop all *.icc files in PDFNet resource folder or you specify 
			// the full pathname.
				// PDFNet.SetColorManagement();
				// PDFNet.SetDefaultDeviceCMYKProfile("USWebCoatedSWOP.icc"); // will search in PDFNet resource folder.
				// PDFNet.SetDefaultDeviceRGBProfile("AdobeRGB1998.icc"); 
			catch (Exception)
				Console.WriteLine("The specified color profile was not found.");

			// Optional: Set predefined font mappings to override default font 
			// substitution for documents with missing fonts. For example:
			// PDFNet.AddFontSubst("StoneSans-Semibold", "C:/WINDOWS/Fonts/comic.ttf");
			// PDFNet.AddFontSubst("StoneSans", "comic.ttf");  // search for 'comic.ttf' in PDFNet resource folder.
			// PDFNet.AddFontSubst(PDFNet.CharacterOrdering.e_Identity, "C:/WINDOWS/Fonts/arialuni.ttf");
			// PDFNet.AddFontSubst(PDFNet.CharacterOrdering.e_Japan1, "C:/Program Files/Adobe/Acrobat 7.0/Resource/CIDFont/KozMinProVI-Regular.otf");
			// PDFNet.AddFontSubst(PDFNet.CharacterOrdering.e_Japan2, "c:/myfonts/KozMinProVI-Regular.otf");
			// If fonts are in PDFNet resource folder, it is not necessary to specify 
			// the full path name. For example,
			// PDFNet.AddFontSubst(PDFNet.CharacterOrdering.e_Korea1, "AdobeMyungjoStd-Medium.otf");
			// PDFNet.AddFontSubst(PDFNet.CharacterOrdering.e_CNS1, "AdobeSongStd-Light.otf");
			// PDFNet.AddFontSubst(PDFNet.CharacterOrdering.e_GB1, "AdobeMingStd-Light.otf");

			string input_path = "../../../../TestFiles/";	// Relative path to the folder containing test files.
				// Open the PDF document.
				Console.WriteLine("Opening the input file...");
				using (pdfdoc = new PDFDoc(input_path + "tiger.pdf"))

					// Example 1: use the PDF::Print::StartPrintJob interface
					// This is silent (no progress dialog) and blocks until print job is at spooler
					// The rasterized print job is compressed before sending to printer
					Console.WriteLine("Printing the input file using PDF.Print.StartPrintJob...");

					// Setup printing options:
					PrinterMode printerMode = new PrinterMode();
					printerMode.SetDPI(300); // regardless of ordering, an explicit DPI setting overrides the OutputQuality setting
					printerMode.SetNUp(PrinterMode.NUp.e_NUp_1_1, PrinterMode.NUpPageOrder.e_PageOrder_LeftToRightThenTopToBottom);

					// If the XPS print path is being used, then the printer spooler file will
					// ignore the grayscale option and be in full color
					printerMode.SetPaperSize(new Rect(0, 0, 612, 792));
					PageSet pagesToPrint = new PageSet(1, pdfdoc.GetPageCount(), PageSet.Filter.e_all);

					// You can get the name of the default printer by using:
					// PrinterSettings ps = new PrinterSettings();
					// String printerName   ps.PrinterName();
					// however Print.StartPrintJob can also determine this for you, just pass an empty printer name	

					// Print the document on the default printer, name the print job the name of the 
					// file, print to the printer not a file, and use printer options:
					Print.StartPrintJob(pdfdoc, "", pdfdoc.GetFileName(), "", pagesToPrint, printerMode, null);

					// Example 2: use the .Net PrintDocument class and PDFDraw rasterizer
					// This will pop up a progress dialog

					// Start printing from the first page
					pageitr = pdfdoc.GetPageIterator();
					pdfdraw = new PDFDraw();

					// Create a printer
					PrintDocument printer = new PrintDocument();

					// name the document to be printed
					printer.DocumentName = pdfdoc.GetFileName();

					// Set the PrintPage delegate which will be invoked to print each page
					printer.PrintPage += new PrintPageEventHandler(PrintPage);

					Console.WriteLine("Printing the input file using .NET PrintDocument and PDFDraw...");
					printer.Print();	// Start printing

					pdfdraw.Dispose();	// Free allocated resources (generally a good idea when printing many documents).
			catch (PDFNetException e)


#if NET_1_1
		// In case you need to account for 'hard margin' printer property.
		// .NET Framework 2.x or above offers direct access 'hard margin' property.
		private static extern int GetDeviceCaps(IntPtr hdc, int nIndex); 
		private const int PHYSICALOFFSETX = 112; 
		private const int PHYSICALOFFSETY = 113;

		// Print event hander
		void PrintPage(object sender, PrintPageEventArgs ev)
			Graphics gr = ev.Graphics;

			Rectangle rectPage = ev.PageBounds;         //print without margins
			//Rectangle rectPage = ev.MarginBounds;     //print using margins

			float dpi = gr.DpiX;

			int example = 2;
			bool use_hard_margins = false;

			// Example 1) Print the Bitmap.
			if (example == 1)
				System.Drawing.Bitmap bmp = pdfdraw.GetBitmap(pageitr.Current());
				gr.DrawImage(bmp, rectPage, 0, 0, bmp.Width, bmp.Height, GraphicsUnit.Pixel);

			// Example 2) Print via PDFDraw class.
			if (example == 2)
				gr.PageUnit = GraphicsUnit.Inch;
				if (dpi > 300) dpi = 300;

				double left, right, top, bottom;

				if (use_hard_margins) // You could adjust the rectangle to account for hard and soft margins, etc.
#if NET_1_1
					// This code is used to obtain printer hard margins when running on .NET 1.1x or below. 
					IntPtr hdc = new IntPtr();
					hdc = ev.Graphics.GetHdc(); // Get handle to device context.
					double hardMarginX = GetDeviceCaps(hdc, PHYSICALOFFSETX);
					double hardMarginY  = GetDeviceCaps(hdc, PHYSICALOFFSETY);		
					ev.Graphics.ReleaseHdc(hdc); // Release handle to device context.
					// If you are running on .NET Framework 2.x or above, you can directly access 'hard margin' property.
					double hardMarginX = ev.PageSettings.HardMarginX;
					double hardMarginY = ev.PageSettings.HardMarginY;
					left = (rectPage.Left - hardMarginX) / 100.0;
					right = (rectPage.Right - hardMarginX) / 100.0;
					top = (rectPage.Top - hardMarginY) / 100.0;
					bottom = (rectPage.Bottom - hardMarginY) / 100.0;
					left = rectPage.Left / 100.0;
					right = rectPage.Right / 100.0;
					top = rectPage.Top / 100.0;
					bottom = rectPage.Bottom / 100.0;

				// The above page dimensions are in inches. We need to convert 
				// the page dimensions to PDF units (or points). One point is 
				// 1/72 of an inch.
				pdftron.PDF.Rect rect = new Rect(left * 72, bottom * 72, right * 72, top * 72);

					pdfdraw.DrawInRect(pageitr.Current(), gr, rect);
				catch (Exception ex)
					Console.WriteLine("Printing Error: " + ex.ToString());

			pageitr.Next();  // Move to the next page, if any
			ev.HasMorePages = pageitr.HasNext();

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