Windows apps
Collapse the table of content
Expand the table of content
Information
The topic you requested is included in another documentation set. For convenience, it's displayed below. Choose Switch to see the topic in its original location.

MultiSelector.BeginUpdateSelectedItems Method ()

 

Starts a new selection transaction.

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

protected void BeginUpdateSelectedItems()

Exception Condition
InvalidOperationException

IsUpdatingSelectedItems is true when this method is called.

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

The following example shows how to use the BeginUpdateSelectedItems method 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
Return to top
Show:
© 2016 Microsoft