Video broadcasting via lan in vb.net

ohhk sir

i just downloaded it from a website but it says its a demo version what can i do to make it genuine

and its a encoder code for video broadcasting

Public Class Form1

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
OpenFileDialog1.Filter = "FLV (*.flv) |*.flv|F4V (*.f4v) |*.f4v|VOB (*.vob) |*.vob|mpg (*.mpg) |*.mpg|avi (*.avi) | *.avi|wmv (*.wmv)| *.wmv|asf (*.asf) | *.asf |mov (*.mov)| *.mov|mp4 (*.mp4)| *.mp4|3GP (*.3gp)| *.3gp"

If OpenFileDialog1.ShowDialog() = DialogResult.OK Then
ListBox1.Items.Add(OpenFileDialog1.FileName)
End If


End Sub

Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Dim iIndex As Integer
iIndex = ListBox1.SelectedIndex

If iIndex <> -1 Then
ListBox1.Items.RemoveAt(iIndex)
End If

End Sub

Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
Dim iCount As Integer
Dim i As Integer

iCount = ListBox1.Items.Count


ListBox1.Items.Clear()

End Sub

Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click
AxVideoBroadcast1.StopBroadCast()
ListBox2.Items.Clear()
Dim strfile As String
Dim iresult As Integer

For Each strfile In ListBox1.Items
AxVideoBroadcast1.AddVideo(strfile)
Next

AxVideoBroadcast1.AudioBitRate = Convert.ToInt32(txtaudiobitrate.Text)
AxVideoBroadcast1.VideoBitRate = Convert.ToInt32(txtvideobitrate.Text)
AxVideoBroadcast1.FrameRate = Convert.ToInt16(txtframe.Text)
AxVideoBroadcast1.Port = Convert.ToInt16(txtport.Text)
AxVideoBroadcast1.TimeOut = Convert.ToInt16(txttimeout.Text)
AxVideoBroadcast1.VideoWidth = Convert.ToInt16(txtwidth.Text)
AxVideoBroadcast1.VideoHeight = Convert.ToInt16(txtheight.Text)

iresult = AxVideoBroadcast1.StartBroadCast()

If iresult <> 0 Then
MessageBox.Show("broadcast failed")
Exit Sub
End If

txttotaldur.Text = AxVideoBroadcast1.GetTotalDuration().ToString()

If CheckBox1.Checked Then
AxVideoBroadcastPlayer1.Connect("127.0.0.1", Convert.ToInt16(txtport.Text))
End If


End Sub

Private Sub AxVideoBroadcast1_ClientConnected(ByVal sender As System.Object, ByVal e As AxVideoBroadcastLib._DVideoBroadcastEvents_ClientConnectedEvent) Handles AxVideoBroadcast1.ClientConnected
ListBox2.Items.Add(e.strClientIP)
End Sub

Private Sub AxVideoBroadcast1_ClientDisconnected(ByVal sender As Object, ByVal e As AxVideoBroadcastLib._DVideoBroadcastEvents_ClientDisconnectedEvent) Handles AxVideoBroadcast1.ClientDisconnected
Dim iIndex As Integer
iIndex = ListBox2.FindString(e.strClientIP.ToString())

If iIndex <> -1 Then
ListBox2.Items.RemoveAt(iIndex)
End If

End Sub

Private Sub AxVideoBroadcast1_Playing(ByVal sender As Object, ByVal e As AxVideoBroadcastLib._DVideoBroadcastEvents_PlayingEvent) Handles AxVideoBroadcast1.Playing
txtCurPos.Text = e.iPos.ToString()
End Sub

Private Sub Button5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button5.Click
AxVideoBroadcast1.StopBroadCast()
End Sub
End Class