|  Application | Returns the active application object. | 
|  Arcs2d | Returns the Arcs2d collection object for the referenced object. | 
|  BsplineCurves2d | Returns the BSplineCurves2d collection object for the referenced object. | 
|  Circles2d | Returns the Circles2d collection object for the referenced object. | 
|  Dimensions | Returns the Dimensions collection object for the referenced object. | 
|  Ellipses2d | Returns the Ellipses2d collection object for the referenced object. | 
|  EllipticalArcs2d | Returns the EllipticalArcs2d collection object for the referenced object. | 
|  Lines2d | Returns the Lines2d collection object for the referenced object. | 
|  Parent | Returns the parent object for the referenced object. | 
|  Relations2d | Returns the Relations2d collection. |