private static bool SendBytesToPrinter(string printerName, IntPtr pBytes, Int32 dwCount)
{
var di = new DOCINFOW();
di.pDocName = "LABEL";
di.pDataType = "RAW";
bool bSuccess = false;
try
{
IntPtr hPrinter = IntPtr.Zero;
if (OpenPrinter(printerName, ref hPrinter, IntPtr.Zero))
{
if (StartDocPrinter(hPrinter, 1, ref di))
{
if (StartPagePrinter(hPrinter))
{
Int32 dwWritten = 0;
bSuccess = WritePrinter(hPrinter, pBytes, dwCount, ref dwWritten);
EndPagePrinter(hPrinter);
}
EndDocPrinter(hPrinter);
}
ClosePrinter(hPrinter);
}
}
catch (Exception ex)
{
throw new Exception("Print failed.", ex);
}
return(bSuccess);
}
public static bool SendBytesToPrinter(string szPrinterName, IntPtr pBytes, Int32 dwCount)
{
IntPtr hPrinter = System.IntPtr.Zero;
Int32 dwError;
DOCINFOW di = new DOCINFOW();
Int32 dwWritten = 0;
bool bSuccess;
di.pDocName = "My Document";
di.pDataType = "RAW";
bSuccess = false;
if (OpenPrinter(szPrinterName, ref hPrinter, 0))
{
if (StartDocPrinter(hPrinter, 1, ref di))
{
if (StartPagePrinter(hPrinter))
{
bSuccess = WritePrinter(hPrinter, pBytes, dwCount, ref dwWritten);
EndPagePrinter(hPrinter);
}
EndDocPrinter(hPrinter);
}
ClosePrinter(hPrinter);
}
if (bSuccess == false)
{
dwError = Marshal.GetLastWin32Error();
}
return(bSuccess);
}
// SendBytesToPrinter()
// When the function is given a printer name and an unmanaged array of
// bytes, the function sends those bytes to the print queue.
// Returns True on success or False on failure.
public static bool SendBytesToPrinter(string szPrinterName, IntPtr pBytes, Int32 dwCount)
{
IntPtr hPrinter = System.IntPtr.Zero; // The printer handle.
Int32 dwError = 0; // Last error - in case there was trouble.
DOCINFOW di = new DOCINFOW(); // Describes your document (name, port, data type).
Int32 dwWritten = 0; // The number of bytes written by WritePrinter().
bool bSuccess = false; // Your success code.
// Set up the DOCINFO structure.
di.pDocName = "LPN Label";
di.pDataType = "RAW";
// Assume failure unless you specifically succeed.
if (OpenPrinter(szPrinterName, ref hPrinter, 0))
{
if (StartDocPrinter(hPrinter, 1, ref di))
{
if (StartPagePrinter(hPrinter))
{
// Write your printer-specific bytes to the printer.
bSuccess = WritePrinter(hPrinter, pBytes, dwCount, ref dwWritten);
EndPagePrinter(hPrinter);
}
EndDocPrinter(hPrinter);
}
ClosePrinter(hPrinter);
}
// If you did not succeed, GetLastError may give more information
// about why not.
if (bSuccess == false)
{
dwError = Marshal.GetLastWin32Error();
}
return(bSuccess);
} // SendBytesToPrinter()
public static bool SendBytesToPrinter(string szPrinterName, IntPtr pBytes, int dwCount)
{
DOCINFOW docinfow = new DOCINFOW();
IntPtr ptr = new IntPtr();
docinfow.pDocName = "My Visual Basic .NET RAW Document";
docinfow.pDataType = "RAW";
bool flag = false;
if (OpenPrinter(szPrinterName, ref ptr, 0))
{
if (StartDocPrinter(ptr, 1, ref docinfow))
{
if (StartPagePrinter(ptr))
{
int num2 = 0;
flag = WritePrinter(ptr, pBytes, dwCount, ref num2);
EndPagePrinter(ptr);
}
EndDocPrinter(ptr);
}
ClosePrinter(ptr);
}
if (!flag)
{
int lastError = GetLastError();
}
return(flag);
}
private static extern bool StartDocPrinter(IntPtr hPrinter, int level, ref DOCINFOW pDI);
public extern static bool StartDocPrinter(IntPtr hPrinter, Int32 level, ref DOCINFOW pDI);
