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copied!<h2>Quick step by step solution</h2> <p>Because code was not provided, I make it work with help of provided links, and here is the code: </p> <h3>Code</h3> <pre><code>using System; using System.Runtime.InteropServices; using System.Windows; [StructLayout(LayoutKind.Sequential)] public struct DOCINFO { [MarshalAs(UnmanagedType.LPWStr)] public string pDocName; [MarshalAs(UnmanagedType.LPWStr)] public string pOutputFile; [MarshalAs(UnmanagedType.LPWStr)] public string pDataType; } public class PrintDirect { [DllImport("winspool.drv", CharSet = CharSet.Unicode, ExactSpelling = false, CallingConvention = CallingConvention.StdCall)] public static extern long OpenPrinter(string pPrinterName, ref IntPtr phPrinter, int pDefault); [DllImport("winspool.drv", CharSet = CharSet.Unicode, ExactSpelling = false, CallingConvention = CallingConvention.StdCall)] public static extern long StartDocPrinter(IntPtr hPrinter, int Level, ref DOCINFO pDocInfo); [DllImport("winspool.drv", CharSet = CharSet.Unicode, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)] public static extern long StartPagePrinter(IntPtr hPrinter); [DllImport("winspool.drv", CharSet = CharSet.Ansi, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)] public static extern long WritePrinter(IntPtr hPrinter, string data, int buf, ref int pcWritten); [DllImport("winspool.drv", CharSet = CharSet.Unicode, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)] public static extern long EndPagePrinter(IntPtr hPrinter); [DllImport("winspool.drv", CharSet = CharSet.Unicode, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)] public static extern long EndDocPrinter(IntPtr hPrinter); [DllImport("winspool.drv", CharSet = CharSet.Unicode, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)] public static extern long ClosePrinter(IntPtr hPrinter); } private void Print(String printerAddress, String text, String documentName) { IntPtr printer = new IntPtr(); // A pointer to a value that receives the number of bytes of data that were written to the printer. int pcWritten = 0; DOCINFO docInfo = new DOCINFO(); docInfo.pDocName = documentName; docInfo.pDataType = "RAW"; PrintDirect.OpenPrinter(printerAddress, ref printer, 0); PrintDirect.StartDocPrinter(printer, 1, ref docInfo); PrintDirect.StartPagePrinter(printer); try { PrintDirect.WritePrinter(printer, text, text.Length, ref pcWritten); } catch (Exception e) { Console.WriteLine(e.Message); } PrintDirect.EndPagePrinter(printer); PrintDirect.EndDocPrinter(printer); PrintDirect.ClosePrinter(printer); } </code></pre> <h3>Usage</h3> <pre><code>String printerAddress = "\\\\ComputerName\\PrinterName"; String documentName = "My document"; String documentText = "This is an example of printing directly to a printer."; </code></pre> <p>this.Print(printerAddress, documentText, documentName); </p> <h3>Sources:</h3> <ul> <li><s><a href="http://support.microsoft.com/kb/322091" rel="nofollow noreferrer">How to send raw data to a printer by using Visual C# .NET</a></s> (link is no longer active)</li> <li><a href="https://support.microsoft.com/en-us/help/138594/howto-send-raw-data-to-a-printer-by-using-the-win32-api" rel="nofollow noreferrer">HOWTO: Send Raw Data to a Printer by Using the Win32 API </a></li> </ul>

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