8 writes to _firstItemInExtendedViewportChildIndex
PresentationFramework (8)
System\Windows\Controls\VirtualizingStackPanel.cs (8)
2367_firstItemInExtendedViewportChildIndex = 0; 2421_firstItemInExtendedViewportChildIndex = childIndex; 2442ref _firstItemInExtendedViewportChildIndex, 2542ref _firstItemInExtendedViewportChildIndex, 2685IndexToGeneratorPositionForStart(_firstItemInExtendedViewportIndex, out _firstItemInExtendedViewportChildIndex); 2686_firstItemInExtendedViewportChildIndex = Math.Max(_firstItemInExtendedViewportChildIndex, 0); 9525_firstItemInExtendedViewportChildIndex -= count; 9530_firstItemInExtendedViewportChildIndex = startIndex;
17 references to _firstItemInExtendedViewportChildIndex
PresentationFramework (17)
System\Windows\Controls\VirtualizingStackPanel.cs (17)
1177int i = (itemsHost is VirtualizingStackPanel ? ((VirtualizingStackPanel)itemsHost)._firstItemInExtendedViewportChildIndex : 0); 2686_firstItemInExtendedViewportChildIndex = Math.Max(_firstItemInExtendedViewportChildIndex, 0); 2816int startIndex = _firstItemInExtendedViewportChildIndex+_actualItemsInExtendedViewportCount; 2962_firstItemInExtendedViewportChildIndex, 2978_firstItemInExtendedViewportChildIndex + _actualItemsInExtendedViewportCount, 3402for (int i = _firstItemInExtendedViewportChildIndex; i < children.Count; ++i) 3407if (i >= _firstItemInExtendedViewportChildIndex && i < _firstItemInExtendedViewportChildIndex + _actualItemsInExtendedViewportCount) 3415if (i == _firstItemInExtendedViewportChildIndex) 3440for (int j = _firstItemInExtendedViewportChildIndex - 1; j >= 0; j--) 8109bool isBeforeFirstItem = childIndex < _firstItemInExtendedViewportChildIndex; 8110bool isAfterFirstItem = childIndex > _firstItemInExtendedViewportChildIndex; 8111bool isAfterLastItem = childIndex > _firstItemInExtendedViewportChildIndex + _actualItemsInExtendedViewportCount; 8577previousChildItemIndex = _firstItemInExtendedViewportIndex + (index - _firstItemInExtendedViewportChildIndex); 9519if (startIndex < _firstItemInExtendedViewportChildIndex) 9522if (endIndex < _firstItemInExtendedViewportChildIndex) 13001s._firstItemInExtendedViewportChildIndex = _firstItemInExtendedViewportChildIndex;