protected static void SetDeviceInfo4(string name, PRINTER_INFO_4 newInfo)
{
IntPtr printerHandle;
PrinterDefaults defaults = new PrinterDefaults {
DesiredAccess = PRINTER_ACCESS.PrinterAllAccess
};
if (!PrintPort.OpenPrinter(name, out printerHandle, ref defaults))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
try
{
IntPtr infoHandle = Marshal.AllocHGlobal(Marshal.SizeOf(newInfo));
Marshal.StructureToPtr(newInfo, infoHandle, false);
try
{
if (!SetPrinter(printerHandle, 4, infoHandle, 0))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}
catch { throw; }
finally { Marshal.FreeHGlobal(infoHandle); }
}
catch { throw; }
finally { PrintPort.ClosePrinter(printerHandle); }
}
public static void Uninstall(string name)
{
if (!name.EndsWith("\0"))
{
name += "\0";
}
IntPtr handle = IntPtr.Zero;
PrinterDefaults defaults = new PrinterDefaults {
DesiredAccess = PRINTER_ACCESS.PrinterAllAccess
};
try
{
if (!PrintPort.OpenPrinter(name, out handle, ref defaults))
{
int errorCode = Marshal.GetLastWin32Error();
if (errorCode != ERROR_INVALID_PRINTER_NAME)
{
throw new Win32Exception(errorCode);
}
}
if (!DeletePrinter(handle))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}
catch { throw; }
finally
{
PrintPort.ClosePrinter(handle);
}
}
public static SmartPrintPort Install(string name)
{
IntPtr printerHandle;
PrinterDefaults defaults = new PrinterDefaults {
DesiredAccess = PRINTER_ACCESS.ServerAdmin
};
try
{
if (!PrintPort.OpenPrinter(",XcvMonitor " + PrintMonitor.DEFAULT_MONITOR_NAME, out printerHandle, ref defaults))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
try
{
if (!name.EndsWith("\0"))
{
name += "\0";
}
uint size = (uint)(name.Length * 2);
IntPtr pointer = Marshal.AllocHGlobal((int)size);
Marshal.Copy(name.ToCharArray(), 0, pointer, name.Length);
IntPtr pOutputData = IntPtr.Zero;
UInt32 outputNeeded, status;
try
{
if (!PrintPort.XcvDataW(printerHandle, "AddPort", pointer, size, pOutputData, 0, out outputNeeded, out status))
{
throw new Win32Exception((int)status);
}
}
catch { throw; }
finally
{
Marshal.FreeHGlobal(pointer);
}
}
catch { throw; }
finally
{
PrintPort.ClosePrinter(printerHandle);
}
}
catch { throw; }
return((new SmartPrintPort(name)).saveAllProperties());
}
protected static PRINTER_INFO_4 GetDeviceInfo4(string name)
{
IntPtr pHandle;
PrinterDefaults defaults = new PrinterDefaults {
DesiredAccess = PRINTER_ACCESS.PrinterUse
};
try
{
if (!PrintPort.OpenPrinter(name, out pHandle, ref defaults))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
try
{
Int32 cbNeeded = 0;
IntPtr pAddr = IntPtr.Zero;
if (!GetPrinter(pHandle, 4, IntPtr.Zero, 0, out cbNeeded) || 0 > cbNeeded)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
pAddr = Marshal.AllocHGlobal((int)cbNeeded);
try
{
if (!GetPrinter(pHandle, 4, pAddr, cbNeeded, out cbNeeded))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
return((PRINTER_INFO_4)Marshal.PtrToStructure(pAddr, typeof(PRINTER_INFO_4)));
}
catch { throw; }
finally { Marshal.FreeHGlobal(pAddr); }
}
catch { throw; }
finally { PrintPort.ClosePrinter(pHandle); }
}
catch { throw; }
}
