/en/tags/mvvm/Recent content in MVVM on DVLUPHugoen-USTue, 16 Apr 2019 00:00:00 +0000/en/blog/2019.04.16-talk-to-the-view/Tue, 16 Apr 2019 00:00:00 +0000/en/blog/2019.04.16-talk-to-the-view/<p>There are many scenarios where a UI component might not have a Command or bindable property available for certain features that you need to access from the view model. There is a simple, but powerful, thing you can do to allow this and not break MVVM or testing capability, leverage the Interface.</p> <h2 id="scenario">Scenario</h2> <p>Let&rsquo;s imagine the scenario where we have a special ListView control that has a <strong>HighlightItem</strong> method that can only be called with a direct reference to that control. There isn&rsquo;t a Command or DependencyProperty (aka BindableProperty in Xamarin.Forms) alternative, so it has to be done in the code behind.</p>