Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Timer1.Start()
End Sub
Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
If (ProgressBar1.Value < ProgressBar1.Maximum) Then
ProgressBar1.Value += 1
End If
If (ProgressBar1.Value = ProgressBar1.Maximum) Then
'бладж!!! Тут вделаеш то что тебе надо!!!
End If
End Sub
End Class