VB.net 请求被中止: 未能创建 SSL/TLS 安全通道（解决）

 Dim request As WebRequest = WebRequest.Create("https://docs.microsoft.com")
        request.Credentials = CredentialCache.DefaultCredentials
        Dim response As WebResponse = request.GetResponse()
        Console.WriteLine((CType(response, HttpWebResponse)).StatusDescription)

        Using dataStream As Stream = response.GetResponseStream()
            Dim reader As StreamReader = New StreamReader(dataStream)
            Dim responseFromServer As String = reader.ReadToEnd()
            Console.WriteLine(responseFromServer)
        End Using

        response.Close()