How do I add task bar buttons to my applications?
<p>In Windows 7, the Skype application will have buttons when you hover on the taskbar icon that change the user's status:</p>
<p><a href="https://i.stack.imgur.com/iZ58i.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/iZ58i.png" alt="skype taskbar icons" /></a></p>
<p>See the four status buttons below the standard preview.</p>
<p>How can I add similar buttons to my application?</p>