外部和内部IP [英] external and internal IP

问题描述

我的错误在哪里?

Where is my mistake?

Imports System.Net
Imports System.IO
Public Class Form1

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        'Internal
        Try
            Dim h As System.Net.IPHostEntry = System.Net.Dns.GetHostByName(System.Net.Dns.GetHostName)
            Dim strLocalIp As String = h.AddressList.GetValue(0).ToString
            TextBox1.Text = strLocalIp
        Catch EX As Exception
        End Try

        'External
        Dim web As New System.Net.WebClient
        Dim myIP As String
        myIP = System.Text.Encoding.ASCII.GetString(( _
        web.DownloadData("http://whatismyip.com/automation/faq/n09230945.asp")))
        TextBox2.Text = myIP
    End Sub

End Class

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