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Replace ArrayList in ItemContainerGenerator with List<EmptyGroupItem> #9432

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merged 2 commits into from
Jan 2, 2025
Merged

Replace ArrayList in ItemContainerGenerator with List<EmptyGroupItem> #9432

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a221aef
replace ArrayList in ItemContainerGenerator with List<EmptyGroupItem>
h3xds1nz Jul 20, 2024
5a48051
use fully qualified type when initializing a new instance
h3xds1nz Jul 23, 2024
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5 changes: 3 additions & 2 deletions ...ft.DotNet.Wpf/src/PresentationFramework/System/Windows/Controls/ItemContainerGenerator.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -2061,7 +2061,8 @@ void AddEmptyGroupItem(CollectionViewGroup group)

// add it to the list of placeholder items (this keeps it from being GC'd)
if (_emptyGroupItems == null)
_emptyGroupItems = new ArrayList();
_emptyGroupItems = new List<EmptyGroupItem>();

_emptyGroupItems.Add(emptyGroupItem);
}

Expand Down Expand Up @@ -2798,7 +2799,7 @@ void OnRefresh()
private ReadOnlyCollection<object> _itemsReadOnly;
private GroupStyle _groupStyle;
private ItemContainerGenerator _parent;
private ArrayList _emptyGroupItems;
private List<EmptyGroupItem> _emptyGroupItems;
private int _alternationCount;

private Type _containerType; // type of containers on the recycle queue
Expand Down
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