Design Time Collection

[Adam]

I am working on wraping some third party controls and I want my
wrappers to use the designer. I have run into the problem of my
collections not working properly in the designer.

public class ExplorerBar : Control, INavigationBar
{
....
[EditorAttribute(typeof(System.ComponentModel.Desig n.CollectionEditor),
typeof(System.Drawing.Design.UITypeEditor))]
public ExplorerBarGroupCollection Groups
{
get
{
return mGroups;
}
}
....
}

public class ExplorerBarGroupCollection : INavigationBarCollection ...
public class ExploterBarGroup: Component, INavigationGroup ...

When I use the designer I see Groups in the properties with the (...)
drill button however it doesn't have (collection) as the value and
when I click on the drill it brings up the collection editor dialog
but the 'add' and 'remove' buttons are disabled on it.

If you have any suggestions, or ideas about what I am missing, they
would be greatly appreciated.
Thanks,
Adam