Youtube auto viewer with proxy setting Vb 2008

Yang perlu dipersiapkan adalah:
4 label
2 textbox
1 shockwave plugin
1 timer interval 1000
1 listbox dan 3 button

ini source codenya:

Imports System.Runtime.InteropServices
Imports System.IO
Imports System.Text
Public Class Form1

    Dim op As New OpenFileDialog()

#Region "Using Proxy"
    <Runtime.InteropServices.DllImport("wininet.dll", SetLastError:=True)> _
      Private Shared Function InternetSetOption(ByVal hInternet As IntPtr, ByVal dwOption As Integer, ByVal lpBuffer As IntPtr, ByVal lpdwBufferLength As Integer) As Boolean
    End Function

    Public Structure Struct_INTERNET_PROXY_INFO
        Public dwAccessType As Integer
        Public proxy As IntPtr
        Public proxyBypass As IntPtr
    End Structure

    Private Sub UseProxy(ByVal strProxy As String)
        Const INTERNET_OPTION_PROXY As Integer = 38
        Const INTERNET_OPEN_TYPE_PROXY As Integer = 3

        Dim struct_IPI As Struct_INTERNET_PROXY_INFO

        struct_IPI.dwAccessType = INTERNET_OPEN_TYPE_PROXY
        struct_IPI.proxy = Marshal.StringToHGlobalAnsi(strProxy)
        struct_IPI.proxyBypass = Marshal.StringToHGlobalAnsi("local")

        Dim intptrStruct As IntPtr = Marshal.AllocCoTaskMem(Marshal.SizeOf(struct_IPI))

        Marshal.StructureToPtr(struct_IPI, intptrStruct, True)

        Dim iReturn As Boolean = InternetSetOption(IntPtr.Zero, INTERNET_OPTION_PROXY, intptrStruct, System.Runtime.InteropServices.Marshal.SizeOf(struct_IPI))
    End Sub
#End Region


    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        web.Navigate("http://www.youtube.com/embed/" + TextBox1.Text + "?autoplay=1")
    End Sub

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        web.Navigate("http://www.youtube.com/embed/MrUvwAZdWCw?autoplay=1")

    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        op.Filter = "TXT FILES|*.txt"
        If op.ShowDialog = Windows.Forms.DialogResult.OK Then
            ListBox1.Items.AddRange(IO.File.ReadAllLines(op.FileName))
            Label2.Text = 1
            Timer1.Enabled = True
        End If

    End Sub

    Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
        Label2.Text -= 1
        If ListBox1.SelectedIndex > ListBox1.Items.Count Then
            Timer1.Enabled = False
        End If
        If Label2.Text = 0 Then
            ListBox1.SelectedIndex = ListBox1.SelectedIndex + 1
            Label2.Text = 100
            TextBox2.Text = ListBox1.Text
        End If
    End Sub

    Private Sub ListBox1_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ListBox1.SelectedIndexChanged
        Dim s As String = ListBox1.Text
        UseProxy(s)
        If TextBox1.Text = "" Then
            web.Navigate("http://www.youtube.com/embed/MrUvwAZdWCw?autoplay=1")
        Else
            web.Navigate("http://www.youtube.com/embed/" + TextBox1.Text + "?autoplay=1")
        End If
    End Sub

    Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
        Form2.Show()
    End Sub


End Class

untuk form 2 yang dipersiapkan adalah
1 label
1 timer dan 1 webbrowser

ini code untuk form 2 nya:

Public Class Form2

    Private Sub Form2_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Timer1.Enabled = True

    End Sub

    Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
        If Label1.Text = 0 Then
            WebBrowser1.Navigate("cmyip.com")
        End If
    End Sub
End Class

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