Nested Listbox with lot of images is jittering and slow in WP7?

I suspect that it is the nested listboxes that are causing the problem as the layout engine will need to contantly be re-measuring everything as you scroll. I'd look to change the layout to one which has a fixed item size and then see if you still have the same issues.

1000 images are a lot..as stated by others as well.. try the lowProfileImage loader http://blogs.msdn.com/b/delay/archive/2010/09/02/keep-a-low-profile-lowprofileimageloader-helps-the-windows-phone-7-ui-thread-stay-responsive-by-loading-images-in-the-background.aspx.

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