<function name="SetExpanded" parent="DExpandButton" type="panelfunc"> <ispanel>yes</ispanel> <description>Sets whether this DExpandButton should be expanded or not. Only changes appearance.</description> <realm>Client</realm> <args> <arg name="expanded" type="boolean">True to expand ( visually will show a &quot;-&quot; )</arg> <arg name="expanded" type="boolean">True to expand ( visually will show a "-" )</arg> </args> </function>