I have a custom control derived from button.  One property is an instance
of the following simple class, which is used to paint the button with
different colors:

Public Class Style
   Private _ColorStart As Color
   Private _ColorEnd As Color
   Private _ColorHighlight As Color

   Public Property ColorStart() As Color
       Get
           Return _ColorStart
       End Get
       Set(ByVal Value As Color)
           _ColorStart = Value
       End Set
   End Property

   Public Property ColorEnd() As Color
       Get
           Return _ColorEnd
       End Get
       Set(ByVal Value As Color)
           _ColorEnd = Value
       End Set
   End Property

   Public Property ColorHighlight() As Color
       Get
           Return _ColorHighlight
       End Get
       Set(ByVal Value As Color)
           _ColorHighlight = Value
       End Set
   End Property

End Class

The property is declared like this:

<TypeConverter(GetType(ExpandableObjectConverter))> _
Public Property ClickedStyle() As Style
   Get
       Return _ClickedStyle
   End Get
   Set(ByVal Value As Style)
       _ClickedStyle = Value
   End Set
End Property
   

Note that I have applied the TypeConverter attribute so that in the
PropertyGrid, the property can be expanded to show the individual colors.
This seems to work ok.

The problem is that, when I change the individual colors, it does not seem
to affect the visual display of the button.  Not on the designer nor at
runtime.

For example, the defualt colors are red.  In the designer I can change the
color to blue and it seems to be changed, but on the form the color of the
button does not change, nor does it change at runtime.  At runtime, when I
inspect the property, it still has the default values.

It seems like the property is being changed in the PropertyGrid but the
button object is not reflecting the change.

Any clues?