MessageQueue.Exists : MessageQueue « System.Messaging « VB.Net by API

1. VB.Net by API
2. System.Messaging
3. MessageQueue

MessageQueue.Exists

   

Imports System
Imports System.IO
Imports System.Messaging

Public Class MainClass
    
    Shared Sub Main()
        Dim mQ As MessageQueue
        Dim mes As Message
        Dim X As String
        Dim br As BinaryReader

        If MessageQueue.Exists(".\Private$\HelloWorld") Then
            mQ = New MessageQueue(".\Private$\HelloWorld")
        Else
            Console.WriteLine("Queue doesn't exist.")
            Return
        End If

        Try
            mes = mQ.Receive(New TimeSpan(0, 0, 3))
            br = New BinaryReader(mes.BodyStream)
            X = New String(br.ReadChars(CType(mes.BodyStream.Length, Integer)))
            Console.WriteLine("Received Message: {0}", X)
        Catch
            Console.WriteLine("No Message to Receive.")
        End Try
    End Sub
End Class

   
    
    
  

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