[CODE]
Private Sub frmMain_MdiChildActivate(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.MdiChildActivate
        If Me.ActiveMdiChild Is Nothing Then
            AbilitaTuttoToolbarMenu()
        Else
            Select Case Me.ActiveMdiChild.Name
                Case "frmNuovo"
                    DisabilitafrmNuovoToolbarMenu()
                Case "frmGiornate"
                    DisabilitafrmGiornateToolbarMenu()
            End Select
        End If
End Sub
[/CODE]