Use the Advanced Drawing API functions if you want to take advantage of API functions. Note the following interface types for objects used in the Drawing functions:
Accesses the underlying drawing document. Returns an object of type Inventor.DrawingDocument.
Accesses the underlying sheet. Returns an object of type Inventor.Sheet.
Accesses the underlying view object. Returns an object of type Inventor.DrawingView.
Accesses the document shown in this view. Returns an object of type Inventor.Document. Returns Nothing if the document is not a model view.