We can probably do better than just using VirtualizeStackPanel for custom datatemplate in our item controls for performance improvement. Well yeah, I don’t really know what’s going on behind the scene in how WPF manages and renders each item in item control and with all the fancy style, and data templates. I do know that there is this awesome program called Snoop that can walk the visual tree and tell you what actually being created and what not.
/rant where is my march 2009 MSDN magazine? i still didn’t receive it /rant