Defined in:Returns the previous outgoing relation for a graph element.
relationType *GetPreviousOutgoingRelation(void) const;
GetPreviousOutgoingRelationfunction returns the previous outgoing relation for the graph element at which the relation for which the function is called starts. If there is no previous outgoing relation, then the return value is
To iterate through all outgoing relations for a graph element using this function, first call the
GraphElement::GetLastOutgoingRelationfunction for the graph element, and then call the
GetPreviousOutgoingRelationfunction iteratively for the returned relations until