<function name="ChildExpanded" parent="DTree" type="panelhook"> <ispanel>yes</ispanel>⤶ <description> <internal></internal> Calls directly to <page>Panel:InvalidateLayout</page>. Called by <page>DTree_Node</page>s when a sub element has been expanded or collapsed. Used as a placeholder function alongside <page>DTree:ExpandTo</page>, <page>DTree:SetExpanded</page> and <page>DTree:MoveChildTo</page>. The <page>DTree</page> acts a root node and methods with the same name in <page>DTree_Node</page> call to the parent. </description> <realm>Client and Menu</realm> <args> <arg name="bExpand" type="boolean"></arg> </args> </function>