Bewerken

Share via


MessageQueue.Delete(String) Method

Definition

Deletes a queue on a Message Queuing server.

public:
 static void Delete(System::String ^ path);
public static void Delete (string path);
static member Delete : string -> unit
Public Shared Sub Delete (path As String)

Parameters

path
String

The location of the queue to be deleted.

Exceptions

The path parameter is null or is an empty string ("").

The syntax for the path parameter is not valid.

-or-

An error occurred when accessing a Message Queuing method.

Examples

The following code example deletes a Message Queuing queue, if it exists.

#using <system.dll>
#using <system.messaging.dll>

using namespace System;
using namespace System::Messaging;
int main()
{
   
   // Determine whether the queue exists.
   if ( MessageQueue::Exists( ".\\myQueue" ) )
   {
      try
      {
         
         // Delete the queue.
         MessageQueue::Delete( ".\\myQueue" );
      }
      catch ( MessageQueueException^ e ) 
      {
         if ( e->MessageQueueErrorCode == MessageQueueErrorCode::AccessDenied )
         {
            Console::WriteLine( "Access is denied. Queue might be a system queue." );
         }
         
         // Handle other sources of MessageQueueException.
      }

   }

   return 0;
}
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 verifies existence and attempts to
        // delete a queue.
        //**************************************************

        public static void Main()
        {

            // Determine whether the queue exists.
            if (MessageQueue.Exists(".\\myQueue"))
            {
                try
                {
                    // Delete the queue.
                    MessageQueue.Delete(".\\myQueue");
                }
                catch(MessageQueueException e)
                {
                    if(e.MessageQueueErrorCode ==
                        MessageQueueErrorCode.AccessDenied)
                    {
                        Console.WriteLine("Access is denied. " +
                            "Queue might be a system queue.");
                    }

                    // Handle other sources of MessageQueueException.
                }
            }
        
            return;
        }
    }
}
Imports System.Messaging



Public Class MyNewQueue


        
        ' Provides an entry point into the application.
        '		 
        ' This example verifies existence and attempts to 
        ' delete a queue.
        

        Public Shared Sub Main()

            ' Determine whether the queue exists.
            If MessageQueue.Exists(".\myQueue") Then

                Try

                    ' Delete the queue.
                    MessageQueue.Delete(".\myQueue")

                Catch e As MessageQueueException

                    If e.MessageQueueErrorCode = _
                        MessageQueueErrorCode.AccessDenied Then

                        Console.WriteLine("Access is denied. " _
                            + "Queue might be a system queue.")
                    End If

                    ' Handle other sources of exceptions as necessary.

                End Try

            End If


            Return

        End Sub

End Class

Remarks

The syntax for the path parameter depends on the type of queue.

Queue type Syntax
Public queue MachineName\QueueName
Private queue MachineName\Private$\QueueName

For more syntax, see the Path property.

Alternatively, you can use the FormatName or Label to describe the queue path.

Reference Syntax
Format name FormatName:[ format name ]
Label Label:[ label ]

The following table shows whether this method is available in various Workgroup modes.

Workgroup mode Available
Local computer Yes
Local computer and direct format name Yes
Remote computer No
Remote computer and direct format name No

Applies to

See also