3 writes to _firstItemInExtendedViewportIndex
PresentationFramework (3)
System\Windows\Controls\VirtualizingStackPanel.cs (3)
2363_firstItemInExtendedViewportIndex = 0; 2417_firstItemInExtendedViewportIndex = firstItemInViewportIndex; 2682_firstItemInExtendedViewportIndex = Math.Max(_firstItemInExtendedViewportIndex - 1, 0);
19 references to _firstItemInExtendedViewportIndex
PresentationFramework (19)
System\Windows\Controls\VirtualizingStackPanel.cs (19)
2682_firstItemInExtendedViewportIndex = Math.Max(_firstItemInExtendedViewportIndex - 1, 0); 2683IndexToGeneratorPositionForStart(_firstItemInExtendedViewportIndex, out _firstItemInExtendedViewportChildIndex); 2690ComputeDistance(items, itemStorageProvider, isHorizontal, areContainersUniformlySized, uniformOrAverageContainerSize, 0, _firstItemInExtendedViewportIndex, out _firstItemInExtendedViewportOffset); 2959_firstItemInExtendedViewportIndex, 2975_firstItemInExtendedViewportIndex + _actualItemsInExtendedViewportCount, 3101ComputeDistance(items, itemStorageProvider, isHorizontal, areContainersUniformlySized, uniformOrAverageContainerSize, 0, _firstItemInExtendedViewportIndex, out newOffset); 3529arrangeSize, _firstItemInExtendedViewportIndex, _firstItemInExtendedViewportOffset); 3558"ev:", _firstItemInExtendedViewportIndex, "+", _itemsInExtendedViewportCount, 3655(startIndex < _firstItemInExtendedViewportIndex + _itemsInExtendedViewportCount); 3670(startIndex < _firstItemInExtendedViewportIndex + _itemsInExtendedViewportCount); 3680((startIndex < _firstItemInExtendedViewportIndex + _itemsInExtendedViewportCount) || 3681(startOldIndex < _firstItemInExtendedViewportIndex + _itemsInExtendedViewportCount)); 3713(startIndex != _firstItemInExtendedViewportIndex + _itemsInExtendedViewportCount - 1); 8542previousChildItemIndex = _firstItemInExtendedViewportIndex; 8577previousChildItemIndex = _firstItemInExtendedViewportIndex + (index - _firstItemInExtendedViewportChildIndex); 9430needsMoreCleanup = CleanupContainers(_firstItemInExtendedViewportIndex, 9541return Math.Max(0, _firstItemInExtendedViewportIndex); 9549return Math.Min(ItemCount, _firstItemInExtendedViewportIndex + _actualItemsInExtendedViewportCount); 12999s._firstItemInExtendedViewportIndex = _firstItemInExtendedViewportIndex;