class Program
{
    [System.MTAThreadAttribute()] // Added for clarity, but this line is redundant because MTA is the default.
    static void Main(string[] args)
    {
        // Create the secondary thread and pass the printing method for 
        // the constructor's ThreadStart delegate parameter. The BatchXPSPrinter
        // class is defined below.
        Thread printingThread = new Thread(BatchXPSPrinter.PrintXPS);

        // Set the thread that will use PrintQueue.AddJob to single threading.
        printingThread.SetApartmentState(ApartmentState.STA);

        // Start the printing thread. The method passed to the Thread 
        // constructor will execute.
        printingThread.Start();
    }//end Main
}//end Program class

public class BatchXPSPrinter
{
    public static void PrintXPS()
    {
        // Create print server and print queue.
        LocalPrintServer localPrintServer = new LocalPrintServer();
        PrintQueue defaultPrintQueue = LocalPrintServer.GetDefaultPrintQueue();
        
        // Prompt user to identify the directory, and then create the directory object.
        Console.Write("Enter the directory containing the XPS files: ");
        String directoryPath = Console.ReadLine();
        DirectoryInfo dir = new DirectoryInfo(directoryPath);

        // If the user mistyped, end the thread and return to the Main thread.
        if (!dir.Exists)
        {
            Console.WriteLine("There is no such directory.");
        }
        else
        {
            // If there are no XPS files in the directory, end the thread 
            // and return to the Main thread.
            if (dir.GetFiles("*.xps").Length == 0)
            {
                Console.WriteLine("There are no XPS files in the directory.");
            }
            else
            {
                Console.WriteLine("\nJobs will now be added to the print queue.");
                Console.WriteLine("If the queue is not paused and the printer is working, jobs will begin printing.");
                
                // Batch process all XPS files in the directory.
                foreach (FileInfo f in dir.GetFiles("*.xps"))
                {
                    String nextFile = directoryPath + "\\" + f.Name;
                    Console.WriteLine("Adding {0} to queue.", nextFile);

                    try
                    {
                        // Print the Xps file while providing XPS validation and progress notifications.
                        PrintSystemJobInfo xpsPrintJob = defaultPrintQueue.AddJob(f.Name, nextFile, false);
                    }
                    catch (PrintJobException e)
                    {
                        Console.WriteLine("\n\t{0} could not be added to the print queue.", f.Name);
                        if (e.InnerException.Message == "File contains corrupted data.")
                        {
                            Console.WriteLine("\tIt is not a valid XPS file. Use the isXPS Conformance Tool to debug it.");
                        }
                        Console.WriteLine("\tContinuing with next XPS file.\n");
                    }
                }// end for each XPS file
            }//end if there are no XPS files in the directory
        }//end if the directory does not exist

        Console.WriteLine("Press Enter to end program.");
        Console.ReadLine();
    }// end PrintXPS method
}// end BatchXPSPrinter class

// Create the printer server and print queue objects
LocalPrintServer localPrintServer = new LocalPrintServer();
PrintQueue defaultPrintQueue = LocalPrintServer.GetDefaultPrintQueue();

// Call AddJob
PrintSystemJobInfo myPrintJob = defaultPrintQueue.AddJob();

// Write a Byte buffer to the JobStream and close the stream
Stream myStream = myPrintJob.JobStream;
Byte[] myByteBuffer = UnicodeEncoding.Unicode.GetBytes("This is a test string for the print job stream.");
myStream.Write(myByteBuffer, 0, myByteBuffer.Length);
myStream.Close();

// Create the printer server and print queue objects
LocalPrintServer localPrintServer2 = new LocalPrintServer();
PrintQueue defaultPrintQueue2 = LocalPrintServer.GetDefaultPrintQueue();

// Call AddJob 
PrintSystemJobInfo anotherPrintJob = defaultPrintQueue2.AddJob("MyJob");

// Read a file into a StreamReader
StreamReader myStreamReader = new StreamReader("C:\\test.txt");

// Write a Byte buffer to the JobStream and close the stream
Stream anotherStream = anotherPrintJob.JobStream;
Byte[] anotherByteBuffer = UnicodeEncoding.Unicode.GetBytes(myStreamReader.ReadToEnd());
anotherStream.Write(anotherByteBuffer, 0, anotherByteBuffer.Length);
anotherStream.Close();