Viv,

It looks like they are implementing their own custom control and not a subclass. The control is using client-side code for better performance and therefore if they went with the MS .NET version they would need to override methods to produce the correct functionality.

>Hi Cathi,
>
>>>Here is an example to look at:
>>>http://crapstuff.craponne.org/
>
>Thanks - but isn't this just someone's own, ground up, TreeView ? I'm trying to get client-side code fired from events using the MS .NET version.
>
>Regards,
>Viv