Member of ChemDraw Control.

ReactionSchemes is a collection containing all of the ReactionScheme objects in the ChemDraw document. If myReactionSchemes is an ReactionSchemes collection object:

MyReactionSchemes.Application   returns the application associated with the ReactionSchemes collection
MyReactionSchemes.Count          returns the number of ReactionSchemes in the collection
MyReactionSchemes.Item(i)        given an index, references one ReactionScheme in particular
MyReactionSchemes.Parent         returns the parent of the ReactionSchemes collection

Using myReactionSchemes.Item(i) all the ReactionScheme properties are enabled for myReactionSchemes(i). This index starts with 1.

ReactionSchemes Members  | ReactionScheme Object