Called to ask the adapter what its desired autosize behavior is. 
      Syntax
         
         
            - 
            (
            SMPOpenUIAutosizeBehavior
            ) 
            
               autosizeBehavior
            
         
      
      Returns
         The desired autosize behavior. If this method is not implemented or the return value is unknown, SMPOpenUIAutosizeBehaviorNone will be used.
      Remarks
         
         See SMPOpenUIAutosizeBehavior for possible values.