public static bool SendBytesToPrinter(string szPrinterName, IntPtr pBytes, int dwCount)
{
int num = 0;
IntPtr hPrinter = new IntPtr(0);
RawPrinterHelper.DOCINFOA dOCINFOA = new RawPrinterHelper.DOCINFOA();
bool flag = false;
dOCINFOA.pDocName = "LabelBarcode";
dOCINFOA.pDataType = "RAW";
bool flag2 = RawPrinterHelper.OpenPrinter(szPrinterName.Normalize(), out hPrinter, IntPtr.Zero);
if (flag2)
{
bool flag3 = RawPrinterHelper.StartDocPrinter(hPrinter, 1, dOCINFOA);
if (flag3)
{
bool flag4 = RawPrinterHelper.StartPagePrinter(hPrinter);
if (flag4)
{
flag = RawPrinterHelper.WritePrinter(hPrinter, pBytes, dwCount, out num);
RawPrinterHelper.EndPagePrinter(hPrinter);
}
RawPrinterHelper.EndDocPrinter(hPrinter);
}
RawPrinterHelper.ClosePrinter(hPrinter);
}
bool flag5 = !flag;
if (flag5)
{
Marshal.GetLastWin32Error();
}
return(flag);
}
public static extern bool StartDocPrinter(IntPtr hPrinter, int level, [MarshalAs(UnmanagedType.LPStruct)][In] RawPrinterHelper.DOCINFOA di);