MessageQueue.GetPublicQueues Method (MessageQueueCriteria)

using System;
using System.Messaging;

namespace MyProject
{
	/// <summary> 
	/// Provides a container class for the example. 
	/// </summary> 
	public class MyNewQueue
	{

		//************************************************** 
		// Provides an entry point into the application. 
		//		  
		// This example gets lists of queues by a variety 
		// of criteria. 
		//************************************************** 

		public static void Main()
		{
			// Create a new instance of the class.
			MyNewQueue myNewQueue = new MyNewQueue();

			// Send normal and high priority messages.
			myNewQueue.GetQueuesByCategory();
			myNewQueue.GetQueuesByLabel();
			myNewQueue.GetQueuesByComputer();
			myNewQueue.GetAllPublicQueues();
			myNewQueue.GetPublicQueuesByCriteria();
			myNewQueue.GetPrivateQueues();
						
			return;
		}


		//************************************************** 
		// Gets a list of queues with a specified category. 
		// Sends a broadcast message to all queues in that 
		// category. 
		//************************************************** 
		
		public void GetQueuesByCategory()
		{
			// Get a list of queues with the specified category.
			MessageQueue[] QueueList = 
				MessageQueue.GetPublicQueuesByCategory(new 
				Guid("{00000000-0000-0000-0000-000000000001}"));

			// Send a broadcast message to each queue in the array. 
			foreach(MessageQueue queueItem in QueueList)
			{
				queueItem.Send("Broadcast message.");
			}
			
			return;
		}


		//************************************************** 
		// Gets a list of queues with a specified label. 
		// Sends a broadcast message to all queues with that 
		// label. 
		//************************************************** 
		
		public void GetQueuesByLabel()
		{
			// Get a list of queues with the specified label.
			MessageQueue[] QueueList = 
				MessageQueue.GetPublicQueuesByLabel("My Label");

			// Send a broadcast message to each queue in the array. 
			foreach(MessageQueue queueItem in QueueList)
			{
				queueItem.Send("Broadcast message.");
			}
			
			return;
		}


		//************************************************** 
		// Gets a list of queues on a specified computer.  
		// Displays the list on screen. 
		//************************************************** 
		
		public void GetQueuesByComputer()
		{
			// Get a list of queues on the specified computer.
			MessageQueue[] QueueList = 
				MessageQueue.GetPublicQueuesByMachine("MyComputer");

			// Display the paths of the queues in the list. 
			foreach(MessageQueue queueItem in QueueList)
			{
				Console.WriteLine(queueItem.Path);
			}

			return;
		}


		//************************************************** 
		// Gets a list of all public queues. 
		//************************************************** 
		
		public void GetAllPublicQueues()
		{
			// Get a list of public queues.
			MessageQueue[] QueueList = 
				MessageQueue.GetPublicQueues();
	
			return;
		}


		//************************************************** 
		// Gets a list of all public queues that match  
		// specified criteria. Displays the list on  
		// screen. 
		//************************************************** 
		
		public void GetPublicQueuesByCriteria()
		{
			// Define criteria to filter the queues.
			MessageQueueCriteria myCriteria = new 
				MessageQueueCriteria();
			myCriteria.CreatedAfter = DateTime.Now.Subtract(new 
				TimeSpan(1,0,0,0));
			myCriteria.ModifiedBefore = DateTime.Now;
			myCriteria.MachineName = ".";
			myCriteria.Label = "My Queue";
			
			// Get a list of queues with that criteria.
			MessageQueue[] QueueList = 
				MessageQueue.GetPublicQueues(myCriteria);

			// Display the paths of the queues in the list. 
			foreach(MessageQueue queueItem in QueueList)
			{
				Console.WriteLine(queueItem.Path);
			}

			return;
		}


		//************************************************** 
		// Gets a list of private queues on the local  
		// computer. Displays the list on screen. 
		//************************************************** 
		
		public void GetPrivateQueues()
		{
			// Get a list of queues with the specified category.
			MessageQueue[] QueueList = 
				MessageQueue.GetPrivateQueuesByMachine(".");

			// Display the paths of the queues in the list. 
			foreach(MessageQueue queueItem in QueueList)
			{
				Console.WriteLine(queueItem.Path);
			}
			
			return;
		}
	}
}