how to do this in VB.NET?

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VB

I just came across un4seen and I gave it a go using visual basic 2008.
I found a few tutorials but it's not working for reasons I do not know, because in the video it works. I've tried it twice. Could anyone tell me if I have missed something or if there are other tutorials or sources out there?
This guy does it but it's in German and it works perfect for him:
http://www.youtube.com/embed/XWg5oazzRSk

Thanks

Imports Un4seen.Bass
Public Class Form1
Public stream As Integer

Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Bass.BASS_Init(+1, 44100, BASSInit.BASS_DEVICE_CPSPEAKERS, IntPtr.Zero, Nothing)

End Sub

Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
Dim open As New OpenFileDialog
If open.ShowDialog = Windows.Forms.DialogResult.OK Then
TextBox1.Text = open.FileName


End If
End Sub

Public Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
stream = Bass.BASS_StreamCreateFile(TextBox1.Text, 0, 0, BASSFlag.BASS_STREAM_AUTOFREE Or BASSFlag.BASS_STREAM_PRESCAN)
Bass.BASS_ChannelPlay(stream, False)

End Sub

Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Bass.BASS_ChannelStop(stream)
End Sub

Public spectrem As New Un4seen.Bass.Misc.Visuals
Public peek(2) As Single

Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
Bass.BASS_ChannelGetLevel(stream, peek)
Dim ProgressBar2_value As Integer = (Math.Round(peek(1), 3) = 100)
Dim ProgressBar1_value As Integer = (Math.Round(peek(2), 3) = 100)
ProgressBar2.Value = ProgressBar2_value
ProgressBar1.Value = ProgressBar1_value

PictureBox1.Image = spectrem.CreateSpectrumLine(stream, PictureBox1.Width, PictureBox1.Height, Color.CornflowerBlue, Color.HotPink, Color.Black, 0, 5, False, True, True)

End Sub

End Class

[kschuler - Edited for spelling, etc. and added code block]