49 lines
1.6 KiB
Markdown
49 lines
1.6 KiB
Markdown
## ListBoxItem IsSelected binding issue with ObservableCollection<T>.Move
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### Scope
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Minor
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### Version Introduced
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4.5
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### Version Reverted
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4.6
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### Source Analyzer Status
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Planned
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### Change Description
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Calling <xref:System.Collections.ObjectModel.ObservableCollection`1.Move(System.Int32,System.Int32)>
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or
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<xref:System.Collections.ObjectModel.ObservableCollection`1.MoveItem(System.Int32,System.Int32)>
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on a collection bound to a
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<xref:System.Windows.Controls.ListBox?displayProperty=name> with items selected
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can lead to erratic behavior with future selection or unselection of
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<xref:System.Windows.Controls.ListBox?displayProperty=name> items.
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- [ ] Quirked
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- [ ] Build-time break
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### Recommended Action
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Calling <xref:System.Collections.ObjectModel.Collection`1.Remove(`0)?displayProperty=name>
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and
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<xref:System.Collections.ObjectModel.Collection`1.Insert(System.Int32,`0)?displayProperty=name>
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instead of
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<xref:System.Collections.ObjectModel.ObservableCollection`1.Move(System.Int32,System.Int32)>
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will work around this issue. Alternatively, this issue has been fixed in the
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.NET Framework 4.6 and may be addressed by upgrading to that version of the .NET
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Framework.
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### Affected APIs
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* ``M:System.Collections.ObjectModel.ObservableCollection`1.Move(System.Int32,System.Int32)``
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* ``M:System.Collections.ObjectModel.ObservableCollection`1.MoveItem(System.Int32,System.Int32)``
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### Category
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Windows Presentation Foundation (WPF)
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[More information](http://social.msdn.microsoft.com/Forums/en-US/afcbc8b3-a2f2-41e4-b402-2efc9eab1ffe/listboxitem-isselected-binding-issue-with-observablecollectiontmove?forum=wpf)
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<!-- breaking change id: 102 -->
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