2 references to FirstContainerInViewport
PresentationFramework (2)
System\Windows\Controls\VirtualizingStackPanel.cs (2)
1421
WasLastMeasurePassAnchored = (
FirstContainerInViewport
!= null) || (BringIntoViewLeafContainer != null);
13016
s._firstContainerInViewport =
FirstContainerInViewport
;