How do I make sure VLC buffers to 5% before playing in VB.NET?‎

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How do I make sure VLC buffers to 5% before playing in VB.NET?
So far I can play clips one after the other. But what I'd like to do, is make sure before begins playing each time 5% of the video from the point in video so far is added to buffer. So as to not randomly pause if download speed slows.

I don't know how to do this, so help would be much appreciated. Thanks

Reason for doing this:
Sometimes player will randomly pause whilst watching making playback really irritating.

Code so far:

Public Class Form1
    Dim Paused As Boolean = False
    Dim Started As Boolean = False
    Dim PlayedSecond As Boolean = True
    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
        PlayedSecond = False
        AxVLCPlugin21.playlist.items.clear()
        AxVLCPlugin21.playlist.add("https://vula.uct.ac.za/access/content/group/fe879ca4-927a-4fca-9cc9-33b12c348b37/vids/Lessig-ItIsAboutTimeGettingOurValuesAroundCopyright522.flv")
        AxVLCPlugin21.playlist.play()
        Started = True
    End Sub

    Sub playsecond()
            AxVLCPlugin21.playlist.items.clear()
            AxVLCPlugin21.playlist.add("http://lsta2011.wikispaces.com/file/view/Rogue%20Waves.mp4")
            AxVLCPlugin21.playlist.play()
            PlayedSecond = True
            Started = False
    End Sub

    Private Sub AxVLCPlugin21_pause(sender As Object, e As EventArgs) Handles AxVLCPlugin21.pause
            Paused = True
    End Sub

    Private Sub IsFinished_Tick(sender As Object, e As EventArgs) Handles IsFinished.Tick
        If Not AxVLCPlugin21.playlist.isPlaying And Paused = False And Started = True And PlayedSecond = False Then
            playsecond()
            Started = True
        End If
    End Sub

    Private Sub AxVLCPlugin21_play(sender As Object, e As EventArgs) Handles AxVLCPlugin21.play
        Paused = False
    End Sub
End Class