3 writes to _firstItemInExtendedViewportIndex
PresentationFramework (3)
System\Windows\Controls\VirtualizingStackPanel.cs (3)
2370_firstItemInExtendedViewportIndex = 0; 2424_firstItemInExtendedViewportIndex = firstItemInViewportIndex; 2689_firstItemInExtendedViewportIndex = Math.Max(_firstItemInExtendedViewportIndex - 1, 0);
19 references to _firstItemInExtendedViewportIndex
PresentationFramework (19)
System\Windows\Controls\VirtualizingStackPanel.cs (19)
2689_firstItemInExtendedViewportIndex = Math.Max(_firstItemInExtendedViewportIndex - 1, 0); 2690IndexToGeneratorPositionForStart(_firstItemInExtendedViewportIndex, out _firstItemInExtendedViewportChildIndex); 2697ComputeDistance(items, itemStorageProvider, isHorizontal, areContainersUniformlySized, uniformOrAverageContainerSize, 0, _firstItemInExtendedViewportIndex, out _firstItemInExtendedViewportOffset); 2966_firstItemInExtendedViewportIndex, 2982_firstItemInExtendedViewportIndex + _actualItemsInExtendedViewportCount, 3108ComputeDistance(items, itemStorageProvider, isHorizontal, areContainersUniformlySized, uniformOrAverageContainerSize, 0, _firstItemInExtendedViewportIndex, out newOffset); 3536arrangeSize, _firstItemInExtendedViewportIndex, _firstItemInExtendedViewportOffset); 3565"ev:", _firstItemInExtendedViewportIndex, "+", _itemsInExtendedViewportCount, 3662(startIndex < _firstItemInExtendedViewportIndex + _itemsInExtendedViewportCount); 3677(startIndex < _firstItemInExtendedViewportIndex + _itemsInExtendedViewportCount); 3687((startIndex < _firstItemInExtendedViewportIndex + _itemsInExtendedViewportCount) || 3688(startOldIndex < _firstItemInExtendedViewportIndex + _itemsInExtendedViewportCount)); 3720(startIndex != _firstItemInExtendedViewportIndex + _itemsInExtendedViewportCount - 1); 8547previousChildItemIndex = _firstItemInExtendedViewportIndex; 8582previousChildItemIndex = _firstItemInExtendedViewportIndex + (index - _firstItemInExtendedViewportChildIndex); 9435needsMoreCleanup = CleanupContainers(_firstItemInExtendedViewportIndex, 9544return Math.Max(0, _firstItemInExtendedViewportIndex); 9552return Math.Min(ItemCount, _firstItemInExtendedViewportIndex + _actualItemsInExtendedViewportCount); 13007s._firstItemInExtendedViewportIndex = _firstItemInExtendedViewportIndex;