8 writes to _firstItemInExtendedViewportChildIndex
PresentationFramework (8)
System\Windows\Controls\VirtualizingStackPanel.cs (8)
2355_firstItemInExtendedViewportChildIndex = 0; 2409_firstItemInExtendedViewportChildIndex = childIndex; 2430ref _firstItemInExtendedViewportChildIndex, 2530ref _firstItemInExtendedViewportChildIndex, 2673IndexToGeneratorPositionForStart(_firstItemInExtendedViewportIndex, out _firstItemInExtendedViewportChildIndex); 2674_firstItemInExtendedViewportChildIndex = Math.Max(_firstItemInExtendedViewportChildIndex, 0); 9505_firstItemInExtendedViewportChildIndex -= count; 9510_firstItemInExtendedViewportChildIndex = startIndex;
17 references to _firstItemInExtendedViewportChildIndex
PresentationFramework (17)
System\Windows\Controls\VirtualizingStackPanel.cs (17)
1176int i = (itemsHost is VirtualizingStackPanel ? ((VirtualizingStackPanel)itemsHost)._firstItemInExtendedViewportChildIndex : 0); 2674_firstItemInExtendedViewportChildIndex = Math.Max(_firstItemInExtendedViewportChildIndex, 0); 2804int startIndex = _firstItemInExtendedViewportChildIndex+_actualItemsInExtendedViewportCount; 2950_firstItemInExtendedViewportChildIndex, 2966_firstItemInExtendedViewportChildIndex + _actualItemsInExtendedViewportCount, 3387for (int i = _firstItemInExtendedViewportChildIndex; i < children.Count; ++i) 3392if (i >= _firstItemInExtendedViewportChildIndex && i < _firstItemInExtendedViewportChildIndex + _actualItemsInExtendedViewportCount) 3400if (i == _firstItemInExtendedViewportChildIndex) 3425for (int j = _firstItemInExtendedViewportChildIndex - 1; j >= 0; j--) 8087bool isBeforeFirstItem = childIndex < _firstItemInExtendedViewportChildIndex; 8088bool isAfterFirstItem = childIndex > _firstItemInExtendedViewportChildIndex; 8089bool isAfterLastItem = childIndex > _firstItemInExtendedViewportChildIndex + _actualItemsInExtendedViewportCount; 8555previousChildItemIndex = _firstItemInExtendedViewportIndex + (index - _firstItemInExtendedViewportChildIndex); 9499if (startIndex < _firstItemInExtendedViewportChildIndex) 9502if (endIndex < _firstItemInExtendedViewportChildIndex) 12973s._firstItemInExtendedViewportChildIndex = _firstItemInExtendedViewportChildIndex;