>Yup Geroge
>I am using LockWindowUpdate !
>
>Also I am using around 5-6 Api calls to make the treeview behave !
>
>Soon I'll post the code on the UT .

I'll be interested to see what you're doing.

>The classes I have written to do so are very raw.
>I want to make them as easy to use as possible by others.
>
>Any sugestions on how to go about doing so ?
>
The only suggestion that I could make would be to use sound coding practices. That, in and of itself, should make the classes straightforward and easy to use.