public ToolBarTrayViewModel(ToolBarTrayDefinition definition)
{
this.definition = definition ?? throw new ArgumentNullException(nameof(definition));
items = definition.Items.ToReadOnlyObservableCollectionOf(d => d.Build());
}
public ToolBarTrayViewModel()
{
this.definition = CreateDefinition();
items = definition.Items.ToReadOnlyObservableCollectionOf(d => d.Build());
}
