Public Property ActiveView() As Control
        Get
            Return curView
        End Get
        Set(ByVal Value As Control)
            If Not curView Is Value Then
                Me.ActiveControl = mainView
                Me.mainView.Controls.Clear()
                If (Not curView Is Nothing) Then
                    curView.Dispose()
                End If
 
                Me.mainView.Controls.Add(Value)
                Me.mainView.Controls(0).Dock = DockStyle.Fill
 
                Me.mainView.Controls(0).Enabled = True
                curView = Value
            End If
        End Set
    End Property