public static bool Printer(model.Printer printer, FileInfo file)
{
// Open the file.
var fs = new FileStream(file.FullName, FileMode.Open);
var br = new BinaryReader(fs);
// Dim an array of bytes big enough to hold the file's contents.
var bytes = new Byte[fs.Length];
var bSuccess = false;
// Your unmanaged pointer.
var pUnmanagedBytes = new IntPtr(0);
int nLength;
nLength = Convert.ToInt32(fs.Length);
// Read the contents of the file into the array.
bytes = br.ReadBytes(nLength);
// Allocate some unmanaged memory for those bytes.
pUnmanagedBytes = Marshal.AllocCoTaskMem(nLength);
// Copy the managed byte array into the unmanaged array.
Marshal.Copy(bytes, 0, pUnmanagedBytes, nLength);
// Send the unmanaged bytes to the printer.
bSuccess = core.PrinterHelper.SendBytesToPrinter(printer.Name, pUnmanagedBytes, nLength);
// Free the unmanaged memory that you allocated earlier.
Marshal.FreeCoTaskMem(pUnmanagedBytes);
return(bSuccess);
}
public model.Printer Printer(bool validate = true)
{
var printer = new model.Printer(Value.ToString());
if (validate && !printer.ValidPrinter())
{
throw new KLIBException(1, $"Printer isn't {Value.ToString()} valid");
}
return(printer);
}
public static bool Printer(model.Printer printer, string value)
{
IntPtr pBytes;
Int32 dwCount;
var bSucess = false;
// How many characters are in the string?
dwCount = value.Length;
// Assume that the printer is expecting ANSI text, and then convert
// the string to ANSI text.
pBytes = Marshal.StringToCoTaskMemAnsi(value);
// Send the converted ANSI string to the printer.
bSucess = core.PrinterHelper.SendBytesToPrinter(printer.Name, pBytes, dwCount);
Marshal.FreeCoTaskMem(pBytes);
return(bSucess);
}
