public static bool SendBytesToPrinter(string szPrinterName, IntPtr pBytes, int dwCount) { int dwWritten = 0; IntPtr hPrinter = new IntPtr(0); RawPrinterHelper.DOCINFOA di = new RawPrinterHelper.DOCINFOA(); bool flag = false; di.pDocName = "My C#.NET RAW Document"; di.pDataType = "RAW"; if (RawPrinterHelper.OpenPrinter(szPrinterName.Normalize(), out hPrinter, IntPtr.Zero)) { if (RawPrinterHelper.StartDocPrinter(hPrinter, 1, di)) { if (RawPrinterHelper.StartPagePrinter(hPrinter)) { flag = RawPrinterHelper.WritePrinter(hPrinter, pBytes, dwCount, out dwWritten); RawPrinterHelper.EndPagePrinter(hPrinter); } RawPrinterHelper.EndDocPrinter(hPrinter); } RawPrinterHelper.ClosePrinter(hPrinter); } if (!flag) { Marshal.GetLastWin32Error(); } return(flag); }
public static extern bool StartDocPrinter(IntPtr hPrinter, int level, [MarshalAs(UnmanagedType.LPStruct), In] RawPrinterHelper.DOCINFOA di);