public void AddDeletePrinterPort(string portName, string monitorName, bool deletePort = false)
{
IntPtr printerHandle;
PrinterDefaults defaults = new PrinterDefaults { DesiredAccess = PrinterAccess.ServerAdmin };
if (!OpenPrinter(",XcvMonitor " + monitorName, out printerHandle, ref defaults))
throw new Exception("Could not open printer for the monitor port " + monitorName + "!");
try
{
PortData portData = new PortData { sztPortName = portName };
uint size = (uint)Marshal.SizeOf(portData);
IntPtr pointer = Marshal.AllocHGlobal((int)size);
Marshal.StructureToPtr(portData, pointer, true);
IntPtr outputData;
UInt32 outputNeeded, status;
if (!XcvDataW(printerHandle, deletePort ? "DeletePort" : "AddPort", pointer, size, out outputData, 0, out outputNeeded, out status))
throw new Exception(status.ToString());
}
finally
{
ClosePrinter(printerHandle);
}
}
private static extern bool OpenPrinter(string printerName, out IntPtr phPrinter, ref PrinterDefaults printerDefaults);
public void RemoveVPrinter(string printerName)
{
var printerProps = PrinterProps.getProps(printerName);
//for removal we try to go ahead even if there are some failures
//5 - Configure Virtual Port
removeVirtualPort(printerProps._monitorName, printerProps.portName);
_logHelper.Log("removeVirtualPort Completed");
//4 - Add Printer
try
{
var printerDefaults = new PrinterDefaults
{
DesiredAccess = PrinterAccess.PrinterAllAccess, //0x000F000C,//PRINTER_ALL_ACCESS
pDataType = IntPtr.Zero,
pDevMode = IntPtr.Zero
};
IntPtr printerHandle;
if (!OpenPrinter(printerName, out printerHandle, ref printerDefaults))
throw new Win32Exception(Marshal.GetLastWin32Error());
_logHelper.Log("OpenPrinter Completed");
try
{
if (!DeletePrinter(printerHandle))
throw new Win32Exception(Marshal.GetLastWin32Error());
_logHelper.Log("DeletePrinter Completed");
}
finally
{
if (IntPtr.Zero != printerHandle)
ClosePrinter(printerHandle);
}
}
catch (Exception ex)
{
_logHelper.Log("Failed to renove printer : " + ex.Message);
}
//3 - Add Printer Driver
if (DeletePrinterDriver(null, null, printerProps.driverName) == 0)
{
var ex = new Win32Exception(Marshal.GetLastWin32Error());
_logHelper.Log("ERROR in custom action AddDeletePrinterPort : " + ex.ToString());
//
}
_logHelper.Log("DeletePrinterDriver Completed");
//2 - Add Printer Port
try
{
AddDeletePrinterPort(printerProps.portName, printerProps._monitorName, true);
_logHelper.Log("AddDeletePrinterPort Completed");
}
catch (Exception ex)
{
_logHelper.Log("ERROR in custom action AddDeletePrinterPort : " + ex.ToString());
}
//1 - Add Printer Monitor
RemovePrinterMonitor(printerProps._monitorName);
_logHelper.Log("RemovePrinterMonitor Completed");
//6 - Restart Spool Service
_logHelper.Log("Restarting Spool Service");
GenericResult restartSpoolResult = RestartSpoolService();
if (restartSpoolResult.Success == false)
throw restartSpoolResult.Exception;
}
private static extern bool OpenPrinter(
[MarshalAs(UnmanagedType.LPTStr)] string pPrinterName,
out IntPtr phPrinter,
ref PrinterDefaults pDefaults
);
private static extern bool OpenPrinter(string printerName, out IntPtr phPrinter, ref PrinterDefaults printerDefaults);
public GenericResult AddPrinterPort(string portName, string portType)
{
GenericResult retVal = new GenericResult("AddPrinterPort");
IntPtr printerHandle;
PrinterDefaults defaults = new PrinterDefaults {
DesiredAccess = PrinterAccess.ServerAdmin
};
try
{
if (!OpenPrinter(",XcvMonitor " + portType, out printerHandle, ref defaults))
{
throw new Exception("Could not open printer for the monitor port " + portType + "!");
}
try
{
PortData portData = new PortData {
sztPortName = portName
};
uint size = (uint)Marshal.SizeOf(portData);
IntPtr pointer = Marshal.AllocHGlobal((int)size);
Marshal.StructureToPtr(portData, pointer, true);
IntPtr outputData;
UInt32 outputNeeded, status;
try
{
if (!XcvDataW(printerHandle, "AddPort", pointer, size, out outputData, 0, out outputNeeded, out status))
{
retVal.Message = status.ToString();
}
}
catch (Exception ex)
{
retVal.Exception = ex;
retVal.Message = retVal.Exception.Message;
}
finally
{
Marshal.FreeHGlobal(pointer);
}
}
catch (Exception ex)
{
retVal.Exception = ex;
retVal.Message = retVal.Exception.Message;
}
finally
{
ClosePrinter(printerHandle);
}
}
catch (Exception ex)
{
retVal.Exception = ex;
retVal.Message = retVal.Exception.Message;
}
if (string.IsNullOrWhiteSpace(retVal.Message))
{
retVal.Success = true;
}
return(retVal);
}
