LookUpEditBase.UnselectAllItems() Method

Unselects all items.

Namespace: DevExpress.Xpf.Editors

Assembly: DevExpress.Xpf.Core.v23.2.dll

NuGet Package: DevExpress.Wpf.Core

Declaration

C#

public virtual void UnselectAllItems()

VB.NET

Public Overridable Sub UnselectAllItems

Remarks

To select all items, use the LookUpEditBase.SelectAllItems method. Multiple item selection is supported by the LookUpEdit and ComboBoxEdit with the checked list box.

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the UnselectAllItems() method.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

wpf-pivot-grid-implement-a-custom-filter-popup/CS/CustomFilterPopup/CustomFilterPopup.cs#L58

var unselectedItems = ListBox.ItemsSource.Cast<object>().OfType<PivotValueInfo>().Except(ListBox.SelectedItems.Cast<object>()).ToList();
this.UnselectAllItems();
unselectedItems.ForEach(i => SelectedItems.Add(i));

VB.NET

wpf-pivot-grid-implement-a-custom-filter-popup/VB/CustomFilterPopup/CustomFilterPopup.vb#L68

Dim unselectedItems = ListBox.ItemsSource.Cast(Of Object)().OfType(Of PivotValueInfo)().Cast(Of Object)().Except(selectedValues).ToList()
Me.UnselectAllItems()
unselectedItems.ForEach(Sub(i) SelectedItems.Add(i))