public static void LptPrint(String portName, String receiptText, String textEncoding)
{
IntPtr ptr = CreateFile(portName, GENERIC_WRITE, 0, IntPtr.Zero, OPEN_EXISTING, 0, IntPtr.Zero);
if (ptr.ToInt32() == -1)
{
int errorCode = Marshal.GetHRForLastWin32Error();
if ((errorCode == -2147024894) || (errorCode == -2147023888))
{
throw new TextPrinterException(TextExceptionId.PortNameError);
}
else
{
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
}
}
else
{
// musi być true bo inaczej drukuje wszystko oprócz ostatniej linii i dzieją się dziwne rzeczy
Microsoft.Win32.SafeHandles.SafeFileHandle sfh = new Microsoft.Win32.SafeHandles.SafeFileHandle(ptr, true);
FileStream lpt = new FileStream(sfh, FileAccess.ReadWrite);
Byte[] buffer = new Byte[4096];
buffer = (MazoviaEncoding.GetEncoding(textEncoding)).GetBytes(receiptText);
lpt.Write(buffer, 0, buffer.Length);
lpt.Close();
}
}
public static void Print(String printer, String text, String textEncoding)
{
//Console.WriteLine("printer=" + printer + "| textEncoding=" + textEncoding + "|");
//Console.WriteLine(text);
byte[] dstBytes = (MazoviaEncoding.GetEncoding(textEncoding)).GetBytes(text);
GCHandle pinnedArray = GCHandle.Alloc(dstBytes, GCHandleType.Pinned);
IntPtr pointer = pinnedArray.AddrOfPinnedObject();
RawPrinterHelper.SendBytesToPrinter(printer, pointer, dstBytes.Length);
pinnedArray.Free();
}
