title: How can I make a custom button also accept directives like matStepperPrevious in angular 4 material
body: <p>I have made a custom button and it works fine for normal function calls. But can I make that same button work with directives like matStepperPrevious.</p>
  
  <p>I have made a demo of what I want to achieve here.
  <a href="https://stackblitz.com/edit/angular-fyyg3k?file=app%2Fapp.component.html" rel="nofollow noreferrer">https://stackblitz.com/edit/angular-fyyg3k?file=app%2Fapp.component.html</a></p>
  
  <p>Regards. Ole Bille</p>