Gets or sets the name of the property representing the cost of a relationship. If a relationship lacks this property, the property is not of a numeric type, or the property value is null, the cost of the relationship will be DefaultRelationshipCost. Only positive costs are supported. Any strictly negative cost will be converted to a positive cost based on NegativeCostBehaviour.

public string RelationshipCostProperty {get; set;}

Public Property RelationshipCostProperty As String