MultiSelector.IsUpdatingSelectedItems Property

 

Gets a value that indicates whether the MultiSelector is currently performing a bulk update to the SelectedItems collection.

Namespace:   System.Windows.Controls.Primitives
Assembly:  PresentationFramework (in PresentationFramework.dll)

protected bool IsUpdatingSelectedItems { get; }

Property Value

Type: System.Boolean

true if the MultiSelector is currently performing a bulk update to the SelectedItems collection; otherwise, false.

The BeginUpdateSelectedItems method sets IsUpdatingSelectedItems to true. The EndUpdateSelectedItems method sets IsUpdatingSelectedItems to false.

The following example shows how to use the IsUpdatingSelectedItems property in a class derived from MultiSelector.

if (!this.IsUpdatingSelectedItems)
{
    this.BeginUpdateSelectedItems();
    foreach (object item in itemsToAdd)
    {
        this.SelectedItems.Add(item);
    }
    this.EndUpdateSelectedItems();
}

.NET Framework
Available since 3.0
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