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copied!<p>You need to bind to a list of type ObservableCollection then every update to the list collection will trigger the binding to update.</p> <p>Example on how to create an observable collection of your list:</p> <pre><code>public ObservableCollection<string> MyElements { get; set; } public void FillList() { List<string> testList = new List<string>() {"string1", "string2"}; MyElements = new ObservableCollection<string>(testList); } </code></pre> <p><code>MyElements.Add("string3")</code> will trigger binding to update</p> <p>EDIT: I added a working example, I provide the xaml and ViewModelCode with the use of acommand to add some strings:</p> <p>xaml:</p> <pre><code><ListBox ItemsSource="{Binding MyStrings}" /> <Button Command="{Binding AddExtraStringCommand}" Content="Add ExtraString" /> </code></pre> <p>viewmodel.cs</p> <pre><code>public class Window1ViewModel : ViewModelBase { public ObservableCollection<string> MyStrings { get; set; } public RelayCommand AddExtraStringCommand { get; set; } public Window1ViewModel() { patient = new Patient() { BirthdayString = "21/11" }; MyStrings = new ObservableCollection<string>() { "string1", "string2", "string3" }; AddExtraStringCommand = new RelayCommand(AddExtraString); } public void AddExtraString() { MyStrings.Add("nog enen extra om: " + DateTime.Now); } } </code></pre> <p>I don't have to trigger the RaisePropertyChanged to make it work. Maybe you can check your code to this code example.</p>

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