How to make a round WKInterfaceButton in watchkit?
<p>iOS can use <code>layer.cornerRadius</code> to make a round <code>UIButton</code>.</p>

<p>Does <code>WKInterfaceButton</code> have this property?</p>

<p>If not, how can I make a round <code>WKInterfaceButton</code> in <code>WatchKit</code>.</p>