internal void AbrirGaveta()
{
byte[] comandos = ComandoAberturaGavetaDriver();
IntPtr unmanagedPointer = Marshal.AllocHGlobal(comandos.Length);
Marshal.Copy(comandos, 0, unmanagedPointer, comandos.Length);
Int32 dwCount = comandos.Length;
LowLevelPrinterServices.SendBytesToPrinter(DeviceName, "", unmanagedPointer, dwCount);
Marshal.FreeCoTaskMem(unmanagedPointer);
}
internal bool SendBytesToPrinter(string szPrinterName, string docname,
IntPtr pBytes, Int32 dwCount)
{
return(LowLevelPrinterServices.SendBytesToPrinter(szPrinterName,
docname, pBytes, dwCount));
}