ExpressionState( ModuleParserHandler theHandler, DesignElement element, PropertyDefn propDefn, IStructure struct )
ExpressionState( ModuleParserHandler theHandler, DesignElement element )
	ExpressionState( ModuleParserHandler theHandler, DesignElement element,			PropertyDefn propDefn, IStructure struct )	{		super( theHandler, element, propDefn, struct );	}