Throw down a simplegrid with a single column and add the parameter to that.
<abs contexttype="opengear" style="">
<meta>
<params>
<param access="1" constrainttype="INT_CHOICE" name="Buttons" oid="Buttons" precision="0" type="INT32" value="0" widget="radio-toggle">
<constraint key="0">Zero</constraint>
<constraint key="1">One</constraint>
<constraint key="2">Two</constraint>
<constraint key="3">Three</constraint>
</param>
</params>
</meta>
<simplegrid cols="1" height="386" left="23" top="23" width="203">
<param expand="true" oid="Buttons" style="style:toggleButton"/>
</simplegrid>
</abs>
#DashBoard