enu.addRadioButtonEntry"></span>auto <span class="symbol">addRadioButtonEntry</span>(this T)(string label, CommandCallback callback, string shortCutText = null);
</h2>
<div class="declaration-description"><div class="sections"><p>Add an item to the menu that acts as a radio button.
</p><p>There can only be one group of radio button entries in one menu. If more
 than one group is needed use cascading menus to hold each group.

</p><h3>Parameters</h3><table class="parameter-list"><tr><td>string label</t