public string Print_Ticket(byte[] document)
{
string text = Find_Printer();
if (string.IsNullOrEmpty(text))
{
return(null);
}
NativeMethods.DOC_INFO_1 dOC_INFO_ = new NativeMethods.DOC_INFO_1();
dOC_INFO_.pDataType = "RAW";
dOC_INFO_.pDocName = "Bit Image Test";
IntPtr hPrinter = new IntPtr(0);
if (NativeMethods.OpenPrinter(text.Normalize(), out hPrinter, IntPtr.Zero))
{
if (NativeMethods.StartDocPrinter(hPrinter, 1, dOC_INFO_))
{
IntPtr intPtr = Marshal.AllocCoTaskMem(document.Length);
Marshal.Copy(document, 0, intPtr, document.Length);
if (NativeMethods.StartPagePrinter(hPrinter))
{
NativeMethods.WritePrinter(hPrinter, intPtr, document.Length, out int _);
NativeMethods.EndPagePrinter(hPrinter);
Marshal.FreeCoTaskMem(intPtr);
NativeMethods.EndDocPrinter(hPrinter);
NativeMethods.ClosePrinter(hPrinter);
return(text);
}
throw new Win32Exception();
}
throw new Win32Exception();
}
throw new Win32Exception();
}
public bool Print_ESCPOS(string printerName, byte[] document)
{
NativeMethods.DOC_INFO_1 dOC_INFO_ = new NativeMethods.DOC_INFO_1();
dOC_INFO_.pDataType = "RAW";
dOC_INFO_.pDocName = "Bit Image Test";
IntPtr hPrinter = new IntPtr(0);
if (NativeMethods.OpenPrinter(printerName.Normalize(), out hPrinter, IntPtr.Zero))
{
if (NativeMethods.StartDocPrinter(hPrinter, 1, dOC_INFO_))
{
IntPtr intPtr = Marshal.AllocCoTaskMem(document.Length);
Marshal.Copy(document, 0, intPtr, document.Length);
if (NativeMethods.StartPagePrinter(hPrinter))
{
NativeMethods.WritePrinter(hPrinter, intPtr, document.Length, out int _);
NativeMethods.EndPagePrinter(hPrinter);
Marshal.FreeCoTaskMem(intPtr);
NativeMethods.EndDocPrinter(hPrinter);
NativeMethods.ClosePrinter(hPrinter);
return(true);
}
throw new Win32Exception();
}
throw new Win32Exception();
}
throw new Win32Exception();
}
