8 writes to _firstItemInExtendedViewportChildIndex
PresentationFramework (8)
System\Windows\Controls\VirtualizingStackPanel.cs (8)
2372_firstItemInExtendedViewportChildIndex = 0; 2426_firstItemInExtendedViewportChildIndex = childIndex; 2447ref _firstItemInExtendedViewportChildIndex, 2547ref _firstItemInExtendedViewportChildIndex, 2690IndexToGeneratorPositionForStart(_firstItemInExtendedViewportIndex, out _firstItemInExtendedViewportChildIndex); 2691_firstItemInExtendedViewportChildIndex = Math.Max(_firstItemInExtendedViewportChildIndex, 0); 9530_firstItemInExtendedViewportChildIndex -= count; 9535_firstItemInExtendedViewportChildIndex = startIndex;
17 references to _firstItemInExtendedViewportChildIndex
PresentationFramework (17)
System\Windows\Controls\VirtualizingStackPanel.cs (17)
1182int i = (itemsHost is VirtualizingStackPanel ? ((VirtualizingStackPanel)itemsHost)._firstItemInExtendedViewportChildIndex : 0); 2691_firstItemInExtendedViewportChildIndex = Math.Max(_firstItemInExtendedViewportChildIndex, 0); 2821int startIndex = _firstItemInExtendedViewportChildIndex+_actualItemsInExtendedViewportCount; 2967_firstItemInExtendedViewportChildIndex, 2983_firstItemInExtendedViewportChildIndex + _actualItemsInExtendedViewportCount, 3407for (int i = _firstItemInExtendedViewportChildIndex; i < children.Count; ++i) 3412if (i >= _firstItemInExtendedViewportChildIndex && i < _firstItemInExtendedViewportChildIndex + _actualItemsInExtendedViewportCount) 3420if (i == _firstItemInExtendedViewportChildIndex) 3445for (int j = _firstItemInExtendedViewportChildIndex - 1; j >= 0; j--) 8114bool isBeforeFirstItem = childIndex < _firstItemInExtendedViewportChildIndex; 8115bool isAfterFirstItem = childIndex > _firstItemInExtendedViewportChildIndex; 8116bool isAfterLastItem = childIndex > _firstItemInExtendedViewportChildIndex + _actualItemsInExtendedViewportCount; 8582previousChildItemIndex = _firstItemInExtendedViewportIndex + (index - _firstItemInExtendedViewportChildIndex); 9524if (startIndex < _firstItemInExtendedViewportChildIndex) 9527if (endIndex < _firstItemInExtendedViewportChildIndex) 13006s._firstItemInExtendedViewportChildIndex = _firstItemInExtendedViewportChildIndex;