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If you don't do this, by default the display will call "To String()", which is typically not all that great.First part is done; if you run the app, you should see the List Box display the names of some fine people.For more information, see How to: Create a Custom View Mode for a List View.
The second part declares that the data should be displayed calling the Last Name property on the items in the list.The following illustration shows a List View with a Grid View view.You can also define custom views by creating a class that derives from View Base.Suppose that each time Selected Item is changed, the view model populates an edit form (say, the detail part of a master-detail form). Would you be interested in a blog post on how to resolve this issue?
, with the selection mode set to extended (so we can select multiple items using ctrl/shift click or the keyboard equivalents).(This example view model code assumes that the List View’s Items Source and Selected Item properties are data-bound to equivalently-named properties on the view model and that the view model implements INotify Property Changed.) If the new collection does not contain an entry equivalent to the old selected item, Selected Item will be set to null because Items Source. This responsibility would more appropriately reside in the Account class. However, if other code takes action when Selected Item’s value changes, we still have a problem.