Widget Candy with widget 2.0 scrollWin

Hi Everyone

I am fairly new to corona labs, lua or widget candy, so if it is obvious to everyone, please excuse this newbie.

I am trying to put a text input field into a scrollWin widget, it seems that it works sometime and not working the other time.

Sometimes, it behave as expected as part of a scrollWin group, but sometimes it just completely display outside the scrollWin.

For example, I found that if I put the scrollWin object in the parentGroup when creating the Input field did NOT work. But if I created the input field then use scrollWin:insert(textinput) that works fine.

is there supposedly some guidelines of how it has to be used?

Regards

Jim