Proposal: Make SelectedItems for ListView and TreeView available in XAML

[karmeye]

Proposal: Make SelectedItems for ListView, TreeView, available in XAML

In this way one can handle multiple selections via binding: SelectedItems="{x:Bind ViewModel.SelectedItems, Mode=TwoWay}", just as is possible now with SelectedItem.

Summary

Rationale

• To be able to bind to SelectedItems

Scope

Capability	Priority
This proposal will allow end users to accomplish binding	Should

Important Notes

Open Questions

I don't know whether there's a technical or design reason for not including it. But it makes sense to me since SelectedItem (SelectedItemProperty) is there so why not also have support for multiple selection?

[github-actions]

Hi I'm an AI powered bot that finds similar issues based off the issue title.

Please view the issues below to see if they solve your problem, and if the issue describes your problem please consider closing this one. Thank you!

Open similar issues:

• Proposal: Switch from ListView to ItemsRepeater for TreeView (#2077), similarity score: 0.72

Closed similar issues:

• TreeView should have a SelectedItem property (#197), similarity score: 0.76
• Proposal: Make TreeView.SelectedItem a DependencyProperty (#2458), similarity score: 0.74
• Proposal: Add "ItemSelected" event to TreeView control (#3548), similarity score: 0.70

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