src\Framework\System\Windows\Controls\VirtualizingStackPanel.cs (3)
11985private static ScrollTracingInfo _nullInfo = new ScrollTracingInfo(null, 0, -1, null, null, null, -1);
12019sti = new ScrollTracingInfo(tracer, _nullInfo.Generation, 0, itemsOwner as FrameworkElement, null, null, 0);
12041sti = new ScrollTracingInfo(tracer, _nullInfo.Generation, parentInfo.Depth + 1, itemsOwner as FrameworkElement, parent, parentItem, itemIndex);