Multiselection selects more items when ItemsSource is changed.
Select item, populate the control with new items and do multiple selection with shift key. The selected items are with one more.
Posted on:15 Jan 2016 17:15
The XAML team has recently reviewed this issue and will not be addressing it as at this time the team is focusing on the bugs impacting the highest number of developers. If you have encountered this issue and it is blocking for your work please contact us through the support ticketing system with details on your setup and a reference to this item.