Yep.. its pretty simple.. here's what I use, it is in a menu on the main mdi container form...
VB Code:
Private Sub mnuCascade_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles mnuCascade.Click
Me.LayoutMdi(MdiLayout.Cascade)
End Sub
Private Sub mnuHorizontal_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles mnuHorizontal.Click
Me.LayoutMdi(MdiLayout.TileHorizontal)
End Sub
Private Sub mnuVertical_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles mnuVertical.Click
Me.LayoutMdi(MdiLayout.TileVertical)
End Sub