8 writes to _firstItemInExtendedViewportChildIndex
PresentationFramework (8)
System\Windows\Controls\VirtualizingStackPanel.cs (8)
2356_firstItemInExtendedViewportChildIndex = 0; 2410_firstItemInExtendedViewportChildIndex = childIndex; 2431ref _firstItemInExtendedViewportChildIndex, 2531ref _firstItemInExtendedViewportChildIndex, 2674IndexToGeneratorPositionForStart(_firstItemInExtendedViewportIndex, out _firstItemInExtendedViewportChildIndex); 2675_firstItemInExtendedViewportChildIndex = Math.Max(_firstItemInExtendedViewportChildIndex, 0); 9506_firstItemInExtendedViewportChildIndex -= count; 9511_firstItemInExtendedViewportChildIndex = startIndex;
17 references to _firstItemInExtendedViewportChildIndex
PresentationFramework (17)
System\Windows\Controls\VirtualizingStackPanel.cs (17)
1177int i = (itemsHost is VirtualizingStackPanel ? ((VirtualizingStackPanel)itemsHost)._firstItemInExtendedViewportChildIndex : 0); 2675_firstItemInExtendedViewportChildIndex = Math.Max(_firstItemInExtendedViewportChildIndex, 0); 2805int startIndex = _firstItemInExtendedViewportChildIndex+_actualItemsInExtendedViewportCount; 2951_firstItemInExtendedViewportChildIndex, 2967_firstItemInExtendedViewportChildIndex + _actualItemsInExtendedViewportCount, 3388for (int i = _firstItemInExtendedViewportChildIndex; i < children.Count; ++i) 3393if (i >= _firstItemInExtendedViewportChildIndex && i < _firstItemInExtendedViewportChildIndex + _actualItemsInExtendedViewportCount) 3401if (i == _firstItemInExtendedViewportChildIndex) 3426for (int j = _firstItemInExtendedViewportChildIndex - 1; j >= 0; j--) 8088bool isBeforeFirstItem = childIndex < _firstItemInExtendedViewportChildIndex; 8089bool isAfterFirstItem = childIndex > _firstItemInExtendedViewportChildIndex; 8090bool isAfterLastItem = childIndex > _firstItemInExtendedViewportChildIndex + _actualItemsInExtendedViewportCount; 8556previousChildItemIndex = _firstItemInExtendedViewportIndex + (index - _firstItemInExtendedViewportChildIndex); 9500if (startIndex < _firstItemInExtendedViewportChildIndex) 9503if (endIndex < _firstItemInExtendedViewportChildIndex) 12974s._firstItemInExtendedViewportChildIndex = _firstItemInExtendedViewportChildIndex;