.NET Youtube Fetch MP3 - YoutubeInMP3 API

Private Sub Youtube_DL_Button_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Youtube_DL_Button.Click
        Dim ID As String = Nothing
        Try
        'Split Youtube URL By ID
            ID = Regex.Split(Youtube_URL.Text, "v=").GetValue(1)
        Catch ex As Exception
        End Try
        'If ID Is Valid
        'Initiate Download & Add Handle
        If ID.Length > 4 = True Then
            ID = "http://www.youtube.com/watch?v=" & ID
            Dim Download_Handle As New Net.WebClient
            If Youtube_SaveAs.Text.Length > 0 Then
                AddHandler Download_Handle.DownloadProgressChanged, AddressOf DownloadProgressCallback
                Download_Handle.DownloadFileAsync(New Uri("http://youtubeinmp3.com/fetch/?video=" & ID), Youtube_SaveLocation.Text & "\" & Youtube_SaveAs.Text & ".mp3")
            Else
                AddHandler Download_Handle.DownloadProgressChanged, AddressOf DownloadProgressCallback
                Download_Handle.DownloadFileAsync(New Uri("http://youtubeinmp3.com/fetch/?video=" & ID), Youtube_SaveLocation.Text & "\" & Regex.Split(ID, "v=").GetValue(1) & ".mp3")
            End If
        Else
        'If Invalid URL
            MessageBox.Show("Invalid URL!", Me.Text)
        End If
    End Sub
        'Download Progress Handle
    Public Sub DownloadProgressCallback(ByVal sender As Object, ByVal e As DownloadProgressChangedEventArgs)
        Youtube_Progressbar.Value = e.ProgressPercentage
        Dim File_Size As Long = e.TotalBytesToReceive
        Dim File_Received As Long = e.BytesReceived
        Youtube_Progressbar.Value = e.ProgressPercentage
        'Calculates Kilobytes Left
        Youtube_Status.Text = String.Format("{0} kB / {1} kB", Math.Round((File_Received / 1024)), Math.Round((File_Size / 1024)))
        'If Download Is Finished
        If e.ProgressPercentage = 100 Then
            Youtube_Progressbar.Value = 100
            Youtube_Status.Text = "Download complete!"
        End If
    End Sub