Proposal: Expose a method in ListViewBase that allows scrolling to a specific item using the item's index.

[w-ahmad]

Proposal: Expose a method in ListViewBase that allows scrolling to a specific item using the item's index.

Summary

There should be a method in ListView that can scroll items into view by their index. Currently there is ScrollIntoView(object item) that accepts item itself to bring into view. This method isn't useful when there are duplicate items in the ItemsSource. It only brings first matching index to the view.

To bring the items into view by calling ScrollIntoView(object item), the internal implementation uses item's index. https://github.com/microsoft/microsoft-ui-xaml/blob/66a7b0ae71c19f89c6a7d86a1986794ad1a1bf09/src/dxaml/xcp/dxaml/lib/Selector_Partial.cpp#L3176 This method accepts the item's index rather than the item itself. It seems possible to expose a method like ScrollIntoView(int index) in ListViewBase.

Rationale

• There is no method available in ListViewBase to scroll duplicate items into view.
• The current method results in unwanted indexes, causing ambiguity.

Scope

Capability	Priority
This proposal will allow developers to scroll any index within the ListViewBase by using it's index.	Must

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• Proposal: Allow scrolling by index in ListView and GridView (#5069), similarity score: 0.86

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