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copied!<p>There are multiple options:</p> <ol> <li>Use selected item's index <code>listBox.SelectedIndex</code> to get the index of the selected property which will correspond to the index in your source (it might not if you filter the collection using collection source, but I think that is not the case)</li> <li>Use selected item <code>listBox.SelectedItem</code> this will return the SelectedItem which will contain your object. (Note, that if your selection mode set to multiple, this will return only the firstly selected item)</li> <li>Use <code>SelectemItems</code>. It will allow you to get an array of selected<br> items (Note: this should be normally used only when your list's<br> selection mode is set to multiple)</li> <li>Use <code>SelectedValue</code>, which will contain the value of the SelectedItem (this will save you and extra step.</li> <li>Use arguments of the Selection changed event AddedItems.</li> </ol> <p>Bellow is the code snippet of 3 options above. x, y, z will all be your selected names (e.g. "Mike")</p> <p>XAML:</p> <pre><code><ListBox x:Name="lb" ItemsSource="{Binding Names}" SelectionChanged="NameChanged" /> </code></pre> <p>Code behind:</p> <pre><code> public class Person { public string Name { get; set; } public override string ToString() { return Name; } } private List<Person> people = new List<Person> { new Person{Name = "Lewis"}, new Person{Name = "Peter"}, new Person{Name = "Brian"} }; public List<Person> People { get { return this.people; } set { this.people = value; } } private void NameChanged(object sender, SelectionChangedEventArgs e) { var x = this.people[lb.SelectedIndex]; var y = lb.SelectedItem; var z = lb.SelectedItems[0]; var h = lb.SelectedValue; var u = e.AddedItems[0]; var person = e.AddedItems[0] as Person; if (person != null) { var result = person.Name; } } </code></pre> <p>For the differences between SelectedValue and SelectedItem refer here <a href="https://stackoverflow.com/questions/4902039/difference-between-selecteditem-selectedvalue-and-selectedvaluepath">SelectedItem vs SelectedValue</a></p>

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