Hello,
   I have a question about the relation between Staggered panel and ISupportIncrementalLoading  interface. When I implement the interface and give the itemssource the corresponding observable collection it stops working with staggered panel, but when I add ItemsWrapGrid in Itemspanel it starts working. I bring example, below. Please, try to answer ASAP. Thank you!
 
ItemsSource="{x:Bind ViewModel.Collection, Mode=OneWay}">