// Create a PrintServer
// "theServer" must be a print server to which the user has full print access.
PrintServer myPrintServer = new PrintServer(@"\\theServer");

// List the print server's queues
PrintQueueCollection myPrintQueues = myPrintServer.GetPrintQueues();
String printQueueNames = "My Print Queues:\n\n";
foreach (PrintQueue pq in myPrintQueues)
{
    printQueueNames += "\t" + pq.Name + "\n";
}
Console.WriteLine(printQueueNames);
Console.WriteLine("\nPress Return to continue.");
Console.ReadLine();