4 writes to _itemsBefore
Microsoft.AspNetCore.Components.Web (4)
Virtualization\Virtualize.cs (4)
321_itemsBefore = desiredItemsBefore; 904_itemsBefore = itemsBefore; 1109_itemsBefore = Math.Min(_itemsBefore + countDelta, Math.Max(0, newTotalCount - _visibleItemCapacity)); 1160_itemsBefore = tailItemsBefore;
35 references to _itemsBefore
Microsoft.AspNetCore.Components.Web (35)
Virtualization\Virtualize.cs (35)
313var windowChanged = desiredItemsBefore != _itemsBefore; 325var alreadyLoadedForWindow = _loadedItems is not null && _loadedItemsStartIndex == _itemsBefore; 355var localIndex = ClampToItemRange(itemIndex) - _itemsBefore; 463if (pendingRenderTcs is not null && _loadedItemsStartIndex == _itemsBefore && (_lastRenderedItemCount > 0 || _itemCount == 0)) 533&& _loadedItemsStartIndex == _itemsBefore 555builder.AddAttribute(1, "data-blazor-virtualize-reserved-height", GetSpacerHeightPx(_itemsBefore)); 560var lastItemIndex = Math.Min(_itemsBefore + _visibleItemCapacity, _itemCount); 561var renderIndex = _itemsBefore; 585.Skip(_itemsBefore - _loadedItemsStartIndex) 608_lastRenderedPlaceholderCount = Math.Max(0, lastItemIndex - _itemsBefore - _lastRenderedItemCount); 620var itemsAfter = Math.Max(0, _itemCount - _visibleItemCapacity - _itemsBefore); 705if (_lastRenderedItemCount > 0 && itemsBefore == _itemsBefore && itemsBefore > 0) 748if (_lastRenderedItemCount > 0 && itemsBefore == _itemsBefore && itemsBefore < _itemCount - visibleItemCapacity) 792? _itemsBefore 793: Math.Max(0, _itemCount - _itemsBefore - _visibleItemCapacity); 802fillDirection == ViewportFillDirection.Before ? _itemsBefore - addedItems : _itemsBefore, 902if (itemsBefore != _itemsBefore || visibleItemCapacity != _visibleItemCapacity || unusedItemCapacity != _unusedItemCapacity) 914&& _loadedItemsStartIndex == _itemsBefore 915&& _itemsBefore + visibleItemCapacity < _itemCount; 961var request = new ItemsProviderRequest(_itemsBefore, _visibleItemCapacity, cancellationToken); 970&& _itemsBefore >= result.TotalItemCount) 973MoveWindowToContain(_itemsBefore); 974request = new ItemsProviderRequest(_itemsBefore, _visibleItemCapacity, cancellationToken); 991var newFirstItem = Items!.ElementAtOrDefault(_itemsBefore); 1037_loadedItemsStartIndex = _itemsBefore; 1046_previousFirstLoadedItem = Items != null && _itemsBefore < Items.Count 1047? Items.ElementAtOrDefault(_itemsBefore) 1108var wasAtTop = _itemsBefore == 0; 1109_itemsBefore = Math.Min(_itemsBefore + countDelta, Math.Max(0, newTotalCount - _visibleItemCapacity)); 1113var adjustedRequest = new ItemsProviderRequest(_itemsBefore, _visibleItemCapacity, cancellationToken); 1124&& _itemsBefore + _visibleItemCapacity >= previousItemCount; 1135|| _itemsBefore + _visibleItemCapacity < previousItemCount 1158if (tailItemsBefore != _itemsBefore) 1161request = new ItemsProviderRequest(_itemsBefore, _visibleItemCapacity, cancellationToken);