问题
I had a problem with ListBox, which doesn't work fine with my collection (nested listboxes, non static size, etc). I tried DeferredLoadListBox, but it requires static height(not my variant).
So, I tried ItemsControl with ScrollViewer, and it works realy good! I have smooth scrolling, no lags, its exactly what i needed. But! As I understand, ListBox download content dynamically, only when it need this content, and ItemsControl loads all the content in one time.
And its a problem, because I load in ItemsControl a collection of 40-50 items, and each item has 1-4 images, and it takes about 5-6 seconds(than ItemsControl works great). As I understand - in this 5-6 seconds it downloads all the images. Question - is there any way to expand this operation to several threads, and using this hint reduce the ItemsControl's freezing?
回答1:
Just use LowProfileImageLoader with the standard ListBox
来源：https://stackoverflow.com/questions/14069769/can-i-expand-downloading-images-to-several-threads