Print a receipt using Thermal Printer with C# - http://blog.dinklabs.com/2015/12/print-receipt-using-thermal-printer.html
public static string PrinterName
{
get { return @"\\{0}\POS58".FormatWith(Environment.MachineName); }
}
private void btnPrintReceipt_Click(object sender, EventArgs e)
{
Print(PrinterName, GetDocument());
}
private static void Print(string printerName, byte[] document)
{
NativeMethods.DOC_INFO_1 documentInfo;
IntPtr printerHandle;
documentInfo = new NativeMethods.DOC_INFO_1();
documentInfo.pDataType = "RAW";
documentInfo.pDocName = "Receipt";
printerHandle = new IntPtr(0);
if (NativeMethods.OpenPrinter(printerName.Normalize(), out printerHandle, IntPtr.Zero))
{
if (NativeMethods.StartDocPrinter(printerHandle, 1, documentInfo))
{
int bytesWritten;
byte[] managedData;
IntPtr unmanagedData;
managedData = document;
unmanagedData = Marshal.AllocCoTaskMem(managedData.Length);
Marshal.Copy(managedData, 0, unmanagedData, managedData.Length);
if (NativeMethods.StartPagePrinter(printerHandle))
{
NativeMethods.WritePrinter(
printerHandle,
unmanagedData,
managedData.Length,
out bytesWritten);
NativeMethods.EndPagePrinter(printerHandle);
}
else
{
throw new Win32Exception();
}
Marshal.FreeCoTaskMem(unmanagedData);
NativeMethods.EndDocPrinter(printerHandle);
}
else
{
throw new Win32Exception();
}
NativeMethods.ClosePrinter(printerHandle);
}
else
{
throw new Win32Exception();
}
}
}
private byte[] GetDocument()
{
using (var ms = new MemoryStream())
using (var bw = new BinaryWriter(ms))
{
// Reset the printer bws (NV images are not cleared)
bw.Write(AsciiControlChars.Escape);
bw.Write('@');
// Render the logo
//RenderLogo(bw);
PrintReceipt(bw);
// Feed 3 vertical motion units and cut the paper with a 1 point cut
bw.Write(AsciiControlChars.GroupSeparator);
bw.Write('V');
bw.Write((byte)66);
bw.Write((byte)3);
bw.Flush();
return ms.ToArray();
}
}
/// <summary>
/// This is the method we print the receipt the way we want. Note the spaces.
/// Wasted a lot of paper on this to get it right.
/// </summary>
/// <param name="bw"></param>
private void PrintReceipt(BinaryWriter bw)
{
bw.LargeText(" Sadisa");
bw.LargeText(" Enterprises");
bw.NormalFont(" M:071-2628126 T:045-2271300");
bw.FeedLines(1);
bw.NormalFont("Invoice #: " + _mappedInvoice.InvoiceNumber);
bw.NormalFont("Date: " + _mappedInvoice.InvoiceDateFormatted);
bw.NormalFont("Customer: " + ReadOnlyCustomer.GetById(_mappedInvoice.CustomerID).Name);
bw.FeedLines(1);
bw.NormalFont("Itm Qty Price Tot");
bw.NormalFont("-----------------------------");
foreach (var item in _mappedInvoice.InvoiceItems)
{
// var idx = InvoiceItems.IndexOf(item) + 1;
bw.NormalFont(ReadOnlyItem.GetById(item.ItemID).Name);
bw.NormalFont(" {0} {1} {2}".FormatWith(item.Qty, item.UnitPrice, item.Qty * item.UnitPrice), false);
}
bw.FeedLines(2);
bw.NormalFont(" Discount: " + _mappedInvoice.Discount);
bw.NormalFont( "Sub Total: " + _mappedInvoice.SubTotal);
bw.FeedLines(1);
bw.High( " Total: " + _mappedInvoice.Total);
bw.FeedLines(1);
bw.NormalFont( " Payment: " + _mappedInvoice.Payment);
bw.NormalFont( " Balance: " + _mappedInvoice.Balance);
bw.Finish();
}
public static class PosExt
{
public static void Enlarged(this BinaryWriter bw, string text)
{
bw.Write(AsciiControlChars.Escape);
bw.Write((byte)33);
bw.Write((byte)32);
bw.Write(text);
bw.Write(AsciiControlChars.Newline);
}
public static void High(this BinaryWriter bw, string text)
{
bw.Write(AsciiControlChars.Escape);
bw.Write((byte)33);
bw.Write((byte)16);
bw.Write(text); //Width,enlarged
bw.Write(AsciiControlChars.Newline);
}
public static void LargeText(this BinaryWriter bw, string text)
{
bw.Write(AsciiControlChars.Escape);
bw.Write((byte)33);
bw.Write((byte)48);
bw.Write(text);
bw.Write(AsciiControlChars.Newline);
}
public static void FeedLines(this BinaryWriter bw, int lines)
{
bw.Write(AsciiControlChars.Newline);
if (lines > 0)
{
bw.Write(AsciiControlChars.Escape);
bw.Write('d');
bw.Write((byte)lines - 1);
}
}
public static void Finish(this BinaryWriter bw)
{
bw.FeedLines(1);
bw.NormalFont("--- Thank You, Come Again ---");
bw.FeedLines(1);
bw.Write(AsciiControlChars.Newline);
}
public static void NormalFont(this BinaryWriter bw, string text, bool line = true)
{
bw.Write(AsciiControlChars.Escape);
bw.Write((byte)33);
bw.Write((byte)8);
bw.Write(" " + text);
if (line)
bw.Write(AsciiControlChars.Newline);
}
/*
27 33 0 ESC ! NUL Master style: pica ESC/P
27 33 1 ESC ! SOH Master style: elite ESC/P
27 33 2 ESC ! STX Master style: proportional ESC/P
27 33 4 ESC ! EOT Master style: condensed ESC/P
27 33 8 ESC ! BS Master style: emphasised ESC/P
27 33 16 ESC ! DLE Master style: enhanced (double-strike) ESC/P
27 33 32 ESC ! SP Master style: enlarged (double-width) ESC/P
27 33 64 ESC ! @ Master style: italic ESC/P
27 33 128 ESC ! --- Master style: underline ESC/P
Above values can be added for combined styles.
bw.Write(AsciiControlChars.Escape);
bw.Write((byte)33);
bw.Write((byte)0);
bw.Write("test"); //Default, Pica
bw.Write(AsciiControlChars.Newline);
bw.Write(AsciiControlChars.Escape);
bw.Write((byte)33);
bw.Write((byte)4);
bw.Write("test"); //condensed
bw.Write(AsciiControlChars.Newline);
bw.Write(AsciiControlChars.Escape);
bw.Write((byte)33);
bw.Write((byte)8);
bw.Write("test"); //emphasised
bw.Write(AsciiControlChars.Newline);
bw.Write(AsciiControlChars.Escape);
bw.Write((byte)33);
bw.Write((byte)16);
bw.Write("test"); //Height,enhanced
bw.Write(AsciiControlChars.Newline);
bw.Write(AsciiControlChars.Escape);
bw.Write((byte)33);
bw.Write((byte)32);
bw.Write("test"); //Width,enlarged
bw.Write(AsciiControlChars.Newline);
bw.Write(AsciiControlChars.Escape);
bw.Write((byte)33);
bw.Write((byte)48);
bw.Write("test"); //WxH
bw.Write(AsciiControlChars.Newline);
*/
}
// <copyright file="NativeMethods.cs" company="Skiviez, Inc.">
// Copyright (c) 2009 by Skiviez, Inc. All rights reserved.
// </copyright>
using System;
using System.Runtime.InteropServices;
/// <summary>
/// Contains native methods invoked via P/Invoke to the underlying Windows
/// operating system. Only supported on NT platforms.
/// </summary>
internal static class NativeMethods
{
/// <summary>
/// An enumeration of GetDeviceCaps parameters.
/// </summary>
internal enum DeviceCap : int
{
/// <summary>
/// Device driver version
/// </summary>
DRIVERVERSION = 0,
/// <summary>
/// Device classification
/// </summary>
TECHNOLOGY = 2,
/// <summary>
/// Horizontal size in millimeters
/// </summary>
HORZSIZE = 4,
/// <summary>
/// Vertical size in millimeters
/// </summary>
VERTSIZE = 6,
/// <summary>
/// Horizontal width in pixels
/// </summary>
HORZRES = 8,
/// <summary>
/// Vertical height in pixels
/// </summary>
VERTRES = 10,
/// <summary>
/// Number of bits per pixel
/// </summary>
BITSPIXEL = 12,
/// <summary>
/// Number of planes
/// </summary>
PLANES = 14,
/// <summary>
/// Number of brushes the device has
/// </summary>
NUMBRUSHES = 16,
/// <summary>
/// Number of pens the device has
/// </summary>
NUMPENS = 18,
/// <summary>
/// Number of markers the device has
/// </summary>
NUMMARKERS = 20,
/// <summary>
/// Number of fonts the device has
/// </summary>
NUMFONTS = 22,
/// <summary>
/// Number of colors the device supports
/// </summary>
NUMCOLORS = 24,
/// <summary>
/// Size required for device descriptor
/// </summary>
PDEVICESIZE = 26,
/// <summary>
/// Curve capabilities
/// </summary>
CURVECAPS = 28,
/// <summary>
/// Line capabilities
/// </summary>
LINECAPS = 30,
/// <summary>
/// Polygonal capabilities
/// </summary>
POLYGONALCAPS = 32,
/// <summary>
/// Text capabilities
/// </summary>
TEXTCAPS = 34,
/// <summary>
/// Clipping capabilities
/// </summary>
CLIPCAPS = 36,
/// <summary>
/// Bitblt capabilities
/// </summary>
RASTERCAPS = 38,
/// <summary>
/// Length of the X leg
/// </summary>
ASPECTX = 40,
/// <summary>
/// Length of the Y leg
/// </summary>
ASPECTY = 42,
/// <summary>
/// Length of the hypotenuse
/// </summary>
ASPECTXY = 44,
/// <summary>
/// Shading and Blending caps
/// </summary>
SHADEBLENDCAPS = 45,
/// <summary>
/// Logical pixels inch in X
/// </summary>
LOGPIXELSX = 88,
/// <summary>
/// Logical pixels inch in Y
/// </summary>
LOGPIXELSY = 90,
/// <summary>
/// Number of entries in physical palette
/// </summary>
SIZEPALETTE = 104,
/// <summary>
/// Number of reserved entries in palette
/// </summary>
NUMRESERVED = 106,
/// <summary>
/// Actual color resolution
/// </summary>
COLORRES = 108,
/// <summary>
/// Physical Width in device units
/// </summary>
PHYSICALWIDTH = 110,
/// <summary>
/// Physical Height in device units
/// </summary>
PHYSICALHEIGHT = 111,
/// <summary>
/// Physical Printable Area x margin
/// </summary>
PHYSICALOFFSETX = 112,
/// <summary>
/// Physical Printable Area y margin
/// </summary>
PHYSICALOFFSETY = 113,
/// <summary>
/// Scaling factor x
/// </summary>
SCALINGFACTORX = 114,
/// <summary>
/// Scaling factor y
/// </summary>
SCALINGFACTORY = 115,
/// <summary>
/// Current vertical refresh rate of the display device (for displays only) in Hz
/// </summary>
VREFRESH = 116,
/// <summary>
/// Horizontal width of entire desktop in pixels
/// </summary>
DESKTOPVERTRES = 117,
/// <summary>
/// Vertical height of entire desktop in pixels
/// </summary>
DESKTOPHORZRES = 118,
/// <summary>
/// Preferred blt alignment
/// </summary>
BLTALIGNMENT = 119
}
/// <summary>
/// The CreateDC function creates a device context (DC) for a device
/// using the specified name.
/// </summary>
/// <param name="lpszDriver">Pointer to a null-terminated character
/// string that specifies either DISPLAY or the name of a specific
/// display device or the name of a print provider, which is usually WINSPOOL.</param>
/// <param name="lpszDevice">Pointer to a null-terminated character string
/// that specifies the name of the specific output device being used,
/// as shown by the Print Manager (for example, Epson FX-80). It is not
/// the printer model name. The lpszDevice parameter must be used.</param>
/// <param name="lpszOutput">This parameter is ignored and should be set
/// to NULL. It is provided only for compatibility with 16-bit Windows.</param>
/// <param name="lpInitData">Pointer to a DEVMODE structure containing
/// device-specific initialization data for the device driver. The
/// DocumentProperties function retrieves this structure filled in for
/// a specified device. The lpInitData parameter must be NULL if the
/// device driver is to use the default initialization (if any) specified
/// by the user.</param>
/// <returns>If the function succeeds, the return value is the handle
/// to a DC for the specified device. If the function fails, the
/// return value is NULL. The function will return NULL for a DEVMODE
/// structure other than the current DEVMODE.</returns>
[DllImport("gdi32.dll", CharSet = CharSet.Unicode)]
internal static extern IntPtr CreateDC(
string lpszDriver,
string lpszDevice,
string lpszOutput,
IntPtr lpInitData);
/// <summary>
/// The DeleteDC function deletes the specified device context (DC).
/// </summary>
/// <param name="hdc">Handle to the device context.</param>
/// <returns>If the function succeeds, the return value is nonzero.
/// If the function fails, the return value is zero.</returns>
[DllImport("gdi32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool DeleteDC(IntPtr hdc);
[DllImport(
"winspool.drv",
EntryPoint = "OpenPrinterW",
SetLastError = true,
CharSet = CharSet.Unicode,
ExactSpelling = true,
CallingConvention = CallingConvention.StdCall)]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool OpenPrinter(
[MarshalAs(UnmanagedType.LPWStr)] string szPrinter,
out IntPtr hPrinter,
IntPtr pd);
/// <summary>
/// Closes the specified printer object.
/// </summary>
/// <param name="hPrinter">Handle to the printer object to be closed.
/// This handle is returned by the OpenPrinter or AddPrinter function.</param>
/// <returns>If the function succeeds, the return value is a nonzero value.
/// If the function fails, the return value is zero</returns>
[DllImport(
"winspool.drv",
EntryPoint = "ClosePrinter",
SetLastError = true,
ExactSpelling = true,
CallingConvention = CallingConvention.StdCall)]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool ClosePrinter(IntPtr hPrinter);
/// <summary>
/// The StartDoc function starts a print job.
/// </summary>
/// <param name="hdc">Handle to the device context for the print job.</param>
/// <param name="lpdi">Pointer to a DOCINFO structure containing the name
/// of the document file and the name of the output file.</param>
/// <returns>If the function succeeds, the return value is greater than
/// zero. This value is the print job identifier for the document.</returns>
[DllImport("gdi32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
internal static extern int StartDoc(IntPtr hdc, DOCINFO lpdi);
/// <summary>
/// The EndDoc function ends a print job.
/// </summary>
/// <param name="hdc">Handle to the device context for the print job.</param>
/// <returns>If the function succeeds, the return value is greater than zero.
/// If the function fails, the return value is less than or equal
/// to zero.</returns>
[DllImport("gdi32.dll")]
internal static extern int EndDoc(IntPtr hdc);
/// <summary>
/// The GetDeviceCaps function retrieves device-specific information
/// for the specified device.
/// </summary>
/// <param name="hdc">Handle to the DC.</param>
/// <param name="capindex">Specifies the item to return.</param>
/// <returns>The return value specifies the value of the desired item.</returns>
[DllImport("gdi32.dll")]
internal static extern int GetDeviceCaps(IntPtr hdc, DeviceCap capindex);
/// <summary>
/// The StartPage function prepares the printer driver to accept data.
/// </summary>
/// <param name="hdc">Handle to the device context for the print job.</param>
/// <returns>If the function succeeds, the return value is greater than zero.
/// If the function fails, the return value is less than or equal to zero.</returns>
[DllImport("gdi32.dll")]
internal static extern int StartPage(IntPtr hdc);
/// <summary>
/// The EndPage function notifies the device that the application has
/// finished writing to a page. This function is typically used to
/// direct the device driver to advance to a new page.
/// </summary>
/// <param name="hdc">Handle to the device context for the print job.</param>
/// <returns>If the function succeeds, the return value is greater than zero.
/// If the function fails, the return value is less than or equal to zero.</returns>
[DllImport("gdi32.dll")]
internal static extern int EndPage(IntPtr hdc);
/// <summary>
/// The StartDocPrinter function notifies the print spooler
/// that a document is to be spooled for printing.
/// </summary>
/// <param name="hPrinter">Handle to the printer. Use the OpenPrinter or
/// AddPrinter function to retrieve a printer handle.</param>
/// <param name="level">Specifies the version of the structure to
/// which pDocInfo points. On WIndows NT/2000/XP, the value must be 1.</param>
/// <param name="di">Pointer to a structure that describes the document to print.</param>
/// <returns>If the function succeeds, the return value identifies the print job.
/// If the function fails, the return value is zero. </returns>
[DllImport(
"winspool.drv",
EntryPoint = "StartDocPrinterW",
SetLastError = true,
CharSet = CharSet.Unicode,
ExactSpelling = true,
CallingConvention = CallingConvention.StdCall)]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool StartDocPrinter(
IntPtr hPrinter,
int level,
[In, MarshalAs(UnmanagedType.LPStruct)] DOC_INFO_1 di);
[DllImport(
"winspool.drv",
EntryPoint = "EndDocPrinter",
SetLastError = true,
ExactSpelling = true,
CallingConvention = CallingConvention.StdCall)]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool EndDocPrinter(IntPtr hPrinter);
[DllImport(
"winspool.drv",
EntryPoint = "StartPagePrinter",
SetLastError = true,
ExactSpelling = true,
CallingConvention = CallingConvention.StdCall)]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool StartPagePrinter(IntPtr hPrinter);
[DllImport(
"winspool.drv",
EntryPoint = "EndPagePrinter",
SetLastError = true,
ExactSpelling = true,
CallingConvention = CallingConvention.StdCall)]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool EndPagePrinter(IntPtr hPrinter);
[DllImport(
"winspool.drv",
EntryPoint = "WritePrinter",
SetLastError = true,
ExactSpelling = true,
CallingConvention = CallingConvention.StdCall)]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool WritePrinter(
IntPtr hPrinter,
IntPtr pBytes,
int dwCount,
out int dwWritten);
/// <summary>
/// The DOCINFO structure contains the input and output file names and
/// other information used by the StartDoc function.
/// </summary>
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
internal class DOCINFO
{
/// <summary>
/// The size, in bytes, of the structure.
/// </summary>
public int cbSize = 20;
/// <summary>
/// Pointer to a null-terminated string that specifies the name
/// of the document.
/// </summary>
[MarshalAs(UnmanagedType.LPWStr)]
public string lpszDocName;
/// <summary>
/// Pointer to a null-terminated string that specifies the name of
/// an output file. If this pointer is NULL, the output will be
/// sent to the device identified by the device context handle that
/// was passed to the StartDoc function.
/// </summary>
[MarshalAs(UnmanagedType.LPWStr)]
public string lpszOutput;
/// <summary>
/// Pointer to a null-terminated string that specifies the type of
/// data used to record the print job. The legal values for this
/// member can be found by calling EnumPrintProcessorDatatypes and
/// can include such values as raw, emf, or XPS_PASS. This member
/// can be NULL. Note that the requested data type might be ignored.
/// </summary>
[MarshalAs(UnmanagedType.LPWStr)]
public string lpszDatatype;
/// <summary>
/// Specifies additional information about the print job. This
/// member must be zero or one of the following values.
/// </summary>
public int fwType;
}
/// <summary>
/// The DOC_INFO_1 structure describes a document that will be printed.
/// </summary>
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
internal class DOC_INFO_1
{
/// <summary>
/// Pointer to a null-terminated string that specifies the name of
/// the document.
/// </summary>
[MarshalAs(UnmanagedType.LPWStr)]
public string pDocName;
/// <summary>
/// Pointer to a null-terminated string that specifies the name of
/// an output file. To print to a printer, set this to NULL.
/// </summary>
[MarshalAs(UnmanagedType.LPWStr)]
public string pOutputFile;
/// <summary>
/// Pointer to a null-terminated string that identifies the type
/// of data used to record the document.
/// </summary>
[MarshalAs(UnmanagedType.LPWStr)]
public string pDataType;
}
}
/// <summary>
/// A listing of ASCII control characters for readability.
/// </summary>
public static class AsciiControlChars
{
/// <summary>
/// Usually indicates the end of a string.
/// </summary>
public const char Nul = (char)0x00;
/// <summary>
/// Meant to be used for printers. When receiving this code the
/// printer moves to the next sheet of paper.
/// </summary>
public const char FormFeed = (char)0x0C;
/// <summary>
/// Starts an extended sequence of control codes.
/// </summary>
public const char Escape = (char)0x1B;
/// <summary>
/// Advances to the next line.
/// </summary>
public const char Newline = (char)0x0A;
/// <summary>
/// Defined to separate tables or different sets of data in a serial
/// data storage system.
/// </summary>
public const char GroupSeparator = (char)0x1D;
/// <summary>
/// A horizontal tab.
/// </summary>
public const char HorizontalTab = (char)0x09;
/// <summary>
/// Vertical Tab
/// </summary>
public const char VerticalTab = (char)0x11;
/// <summary>
/// Returns the carriage to the start of the line.
/// </summary>
public const char CarriageReturn = (char)0x0D;
/// <summary>
/// Cancels the operation.
/// </summary>
public const char Cancel = (char)0x18;
/// <summary>
/// Indicates that control characters present in the stream should
/// be passed through as transmitted and not interpreted as control
/// characters.
/// </summary>
public const char DataLinkEscape = (char)0x10;
/// <summary>
/// Signals the end of a transmission.
/// </summary>
public const char EndOfTransmission = (char)0x04;
/// <summary>
/// In serial storage, signals the separation of two files.
/// </summary>
public const char FileSeparator = (char)0x1C;
}