Leading Zero in timer!

[Patrickkay77]

I have got my timer ticking but i need to add the leading zero back in but it code i am using only works on the seconds (label3) not on the minutes (label4)!

Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
        Label3.Text -= 1
        If Label3.Text = "00" Then
            Label4.Text -= 1
        End If
        If Label3.Text = "00" Then
            Label3.Text = "60"
        End If
        If Label3.Text < 10 Then
            Label3.Text = "0" & Label3.Text
        End If
        If Label4.Text < 10 Then
            Label4.Text = "0" & Label4.Text
        End If
        If Label3.Text = "00" And
            Label4.Text = "00" Then
            Timer1.Stop()
        End If
    End Sub