links to this page:    DrGeo object model

To delete a DrGeoCanvas

 | canvas |

 canvas := DrGeoCanvas new.
 canvas view area inspect

 | canvas  drGeoWindow |
 
 canvas := DrGeoCanvas new.
 drGeoWindow := canvas view.
 drGeoWindow inspect.
 drGeoWindow delete.

To get access to the PasteUpMorph and image instance which keeps the sketch

 drGeoWindow area imageForm