Check/Uncheck ToolBarButton on Property Changed
<p>hi i have property named.</p>

<pre><code>public bool ShowLabels{get; set;}
</code></pre>

<p>and one toolbar menu button to set/unset ShowLabels value</p>

<p>i wants that when value of ShowLabels property changed it also change the check state of menu item button. how i can do this</p>
