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VB.NET DownloadDataCompletedEventArgs类代码示例

本文整理汇总了VB.NET中System.Net.DownloadDataCompletedEventArgs的典型用法代码示例。如果您正苦于以下问题:VB.NET DownloadDataCompletedEventArgs类的具体用法?VB.NET DownloadDataCompletedEventArgs怎么用?VB.NET DownloadDataCompletedEventArgs使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。


在下文中一共展示了DownloadDataCompletedEventArgs类的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: DownloadDataInBackground

'  Sample call : DownLoadDataInBackground ("http:' www.contoso.com/GameScores.html")
Public Shared Sub DownloadDataInBackground(ByVal address As String)

    Dim waiter As System.Threading.AutoResetEvent = New System.Threading.AutoResetEvent(False)
    Dim client As WebClient = New WebClient()

    '  Specify that the DownloadDataCallback method gets called
    '  when the download completes.
    AddHandler client.DownloadDataCompleted, AddressOf DownloadDataCallback
                Dim uri as Uri = New Uri(address)
    client.DownloadDataAsync(uri, waiter)

    '  Block the main application thread. Real applications
    '  can perform other tasks while waiting for the download to complete.
    waiter.WaitOne()
End Sub
开发者ID:VB.NET开发者,项目名称:System.Net,代码行数:16,代码来源:DownloadDataCompletedEventArgs

示例2: DownloadDataCallback

Private Shared Sub DownloadDataCallback(ByVal sender As Object, ByVal e As DownloadDataCompletedEventArgs)

    Dim waiter As System.Threading.AutoResetEvent = CType(e.UserState, System.Threading.AutoResetEvent)

    Try

        '  If the request was not canceled and did not throw
        '  an exception, display the resource.
        If e.Cancelled = False AndAlso e.Error Is Nothing Then

            Dim data() As Byte = CType(e.Result, Byte())
            Dim textData As String = System.Text.Encoding.UTF8.GetString(data)

            Console.WriteLine(textData)
        End If
    Finally

        '  Let the main application thread resume.
        waiter.Set()
    End Try
End Sub
开发者ID:VB.NET开发者,项目名称:System.Net,代码行数:21,代码来源:DownloadDataCompletedEventArgs


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