Code:
using System;
using System.Text;
using System.Runtime.InteropServices;
[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);
}
public class App
{
public static void Main()
{
System.IntPtr lhPrinter=new System.IntPtr();
DOCINFO di = new DOCINFO();
int pcWritten=0;
string st1;
// text to print with a form feed character
st1="This is an example of printing directly to a printer\f";
di.pDocName="my test document";
di.pDataType="RAW";
// the \x1b means an ascii escape character
st1="\x1b*c600a6b0P\f";
//lhPrinter contains the handle for the printer opened
//If lhPrinter is 0 then an error has occured
PrintDirect.OpenPrinter("WeP 800 DX",ref lhPrinter,0);
PrintDirect.StartDocPrinter(lhPrinter,1,ref di);
PrintDirect.StartPagePrinter(lhPrinter);
try
{
// Moves the cursor 900 dots (3 inches at 300 dpi) in from the left margin, and
// 600 dots (2 inches at 300 dpi) down from the top margin.
st1="\x1b*p900x600Y";
PrintDirect.WritePrinter(lhPrinter,st1,st1.Length,ref pcWritten);
// Using the print model commands for rectangle dimensions, "600a" specifies a rectangle
// with a horizontal size or width of 600 dots, and "6b" specifies a vertical
// size or height of 6 dots. The 0P selects the solid black rectangular area fill.
st1="\x1b*c600a6b0P";
PrintDirect.WritePrinter(lhPrinter,st1,st1.Length,ref pcWritten);
// Specifies a rectangle with width of 6 dots, height of 600 dots, and a
// fill pattern of solid black.
st1="\x1b*c6a600b0P";
PrintDirect.WritePrinter(lhPrinter,st1,st1.Length,ref pcWritten);
// Moves the current cursor position to 900 dots, from the left margin and
// 1200 dots down from the top margin.
st1="\x1b*p900x1200Y";
PrintDirect.WritePrinter(lhPrinter,st1,st1.Length,ref pcWritten);
// Specifies a rectangle with a width of 606 dots, a height of 6 dots and a
// fill pattern of solid black.
st1="\x1b*c606a6b0P";
PrintDirect.WritePrinter(lhPrinter,st1,st1.Length,ref pcWritten);
// Moves the current cursor position to 1500 dots from the left margin and
// 600 dots down from the top margin.
st1="\x1b*p1500x600Y";
PrintDirect.WritePrinter(lhPrinter,st1,st1.Length,ref pcWritten);
// Specifies a rectangle with a width of 6 dots, a height of 600 dots and a
// fill pattern of solid black.
st1="\x1b*c6a600b0P";
PrintDirect.WritePrinter(lhPrinter,st1,st1.Length,ref pcWritten);
// Send a form feed character to the printer
st1="\f";
PrintDirect.WritePrinter(lhPrinter,st1,st1.Length,ref pcWritten);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
PrintDirect.EndPagePrinter(lhPrinter);
PrintDirect.EndDocPrinter(lhPrinter);
PrintDirect.ClosePrinter(lhPrinter);
}
}