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VB.NET MessageQueue.BeginReceive方法代码示例

本文整理汇总了VB.NET中System.Messaging.MessageQueue.BeginReceive方法的典型用法代码示例。如果您正苦于以下问题:VB.NET MessageQueue.BeginReceive方法的具体用法?VB.NET MessageQueue.BeginReceive怎么用?VB.NET MessageQueue.BeginReceive使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在System.Messaging.MessageQueue的用法示例。


在下文中一共展示了MessageQueue.BeginReceive方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的VB.NET代码示例。

示例1: MyNewQueue

' 导入命名空间
Imports System.Messaging
Imports System.Threading




' Provides a container class for the example.

Public Class MyNewQueue

        ' Define static class members.
        Private Shared signal As New ManualResetEvent(False)
        Private Shared count As Integer = 0



        ' Provides an entry point into the application.
        '		 
        ' This example performs asynchronous receive
        ' operation processing.


        Public Shared Sub Main()
            ' Create an instance of MessageQueue. Set its formatter.
            Dim myQueue As New MessageQueue(".\myQueue")
            myQueue.Formatter = New XmlMessageFormatter(New Type() _
                {GetType([String])})

            ' Add an event handler for the ReceiveCompleted event.
            AddHandler myQueue.ReceiveCompleted, AddressOf _
                MyReceiveCompleted

            ' Begin the asynchronous receive operation.
            myQueue.BeginReceive()

            signal.WaitOne()

            ' Do other work on the current thread.

            Return

        End Sub



        ' Provides an event handler for the ReceiveCompleted
        ' event.


        Private Shared Sub MyReceiveCompleted(ByVal [source] As _
            [Object], ByVal asyncResult As ReceiveCompletedEventArgs)

            Try
                ' Connect to the queue.
                Dim mq As MessageQueue = CType([source], MessageQueue)

                ' End the asynchronous receive operation.
                Dim m As Message = _
                    mq.EndReceive(asyncResult.AsyncResult)

                count += 1
                If count = 10 Then
                    signal.Set()
                End If

                ' Restart the asynchronous receive operation.
                mq.BeginReceive()

            Catch
                ' Handle sources of MessageQueueException.

                ' Handle other exceptions.

            End Try

            Return

        End Sub

End Class
开发者ID:VB.NET开发者,项目名称:System.Messaging,代码行数:81,代码来源:MessageQueue.BeginReceive

示例2: MyNewQueue

' 导入命名空间
Imports System.Messaging
Imports System.Threading


' Provides a container class for the example.

Public Class MyNewQueue


        ' Provides an entry point into the application.
        '		 
        ' This example performs asynchronous receive
        ' operation processing.


        Public Shared Sub Main()

            ' Create an instance of MessageQueue. Set its formatter.
            Dim myQueue As New MessageQueue(".\myQueue")
            myQueue.Formatter = New XmlMessageFormatter(New Type() _
                {GetType([String])})

            ' Add an event handler for the ReceiveCompleted event.
            AddHandler myQueue.ReceiveCompleted, AddressOf _
                MyReceiveCompleted

            ' Define wait handles for multiple operations.
            Dim waitHandleArray(10) As WaitHandle

            Dim i As Integer
            For i = 0 To 9
                ' Begin asynchronous operations.
                waitHandleArray(i) = _
                    myQueue.BeginReceive().AsyncWaitHandle
            Next i

            ' Specify to wait for all operations to return.
            WaitHandle.WaitAll(waitHandleArray)

            Return

        End Sub



        ' Provides an event handler for the ReceiveCompleted
        ' event.


        Private Shared Sub MyReceiveCompleted(ByVal [source] As _
            [Object], ByVal asyncResult As ReceiveCompletedEventArgs)

            Try
                ' Connect to the queue.
                Dim mq As MessageQueue = CType([source], MessageQueue)

                ' End the asynchronous receive operation.
                Dim m As Message = _
                    mq.EndReceive(asyncResult.AsyncResult)

                ' Process the message here.
                Console.WriteLine("Message received.")

            Catch

                ' Handle sources of MessageQueueException.

                ' Handle other exceptions.

            End Try

            Return

        End Sub

End Class
开发者ID:VB.NET开发者,项目名称:System.Messaging,代码行数:77,代码来源:MessageQueue.BeginReceive


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