In form load add the below code to initialize the progress bar Control
ProgressBar1.Minimum = 0
ProgressBar1.Maximum = 100
ProgressBar1.Value = 0
On double click of the timer event it will add the timer_tick event and add the progress bar code in timer event
ProgressBar1.Value += 2
    If ProgressBar1.Value >= 100 Then
        ProgressBar1.Value = 0
    End If

Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
ProgressBar1.Value += 2
    If ProgressBar1.Value >= 100 Then
        ProgressBar1.Value = 0
    End If

End Sub

    If ProgressBar1.Value >= 100 Then
Timer1.Enable=False
    End If