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