Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As _
      System.EventArgs) Handles Button3.Click
        If Label1.Text = "Label1" Then
            Label1.Text = "THis is a much longer text string I think"
        Else
            Label1.Text = "Label1"
        End If
    End Sub

Those people who think they know everything are a great annoyance to those of us who do - Isaac Asimov