Your reply was useful.
I have one more question. In Prism 2.0 there is a known bug "Memory leak problem" With child regions...
Is this bug fixed in Prism 4.0 ?
I m working with converting a project from prism 2.0 to prism 4.0 and i m looking into the advancements and features prism 4.0 has over prism 2.0.