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listboxitem-isselected-binding-issue-with-observablecollection_move.md

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ListBoxItem IsSelected binding issue with ObservableCollection<T>.Move

Scope

Minor

Version Introduced

4.5

Version Reverted

4.6

Source Analyzer Status

Planned

Change Description

Calling xref:System.Collections.ObjectModel.ObservableCollection`1.Move(System.Int32,System.Int32) or xref:System.Collections.ObjectModel.ObservableCollection`1.MoveItem(System.Int32,System.Int32) on a collection bound to a xref:System.Windows.Controls.ListBox?displayProperty=name with items selected can lead to erratic behavior with future selection or unselection of xref:System.Windows.Controls.ListBox?displayProperty=name items.

  • Quirked
  • Build-time break

Recommended Action

Calling xref:System.Collections.ObjectModel.Collection`1.Remove(`0)?displayProperty=name and xref:System.Collections.ObjectModel.Collection`1.Insert(System.Int32,`0)?displayProperty=name instead of xref:System.Collections.ObjectModel.ObservableCollection`1.Move(System.Int32,System.Int32) will work around this issue. Alternatively, this issue has been fixed in the .NET Framework 4.6 and may be addressed by upgrading to that version of the .NET Framework.

Affected APIs

  • M:System.Collections.ObjectModel.ObservableCollection`1.Move(System.Int32,System.Int32)
  • M:System.Collections.ObjectModel.ObservableCollection`1.MoveItem(System.Int32,System.Int32)

Category

Windows Presentation Foundation (WPF)

More information