demo/src/app/components/+timepicker/demos/mousewheel/mousewheel.html
<timepicker [(ngModel)]="myTime" [mousewheel]="allowMouseWheel"></timepicker>
<hr>
<button type="button" class="btn btn-info section bd-example" (click)="allowMouseWheel = !allowMouseWheel">Enable / Disable mouse wheel</button>
<pre class="alert alert-info">Time is: {{myTime}}</pre>