Unity Engine documentationScript ReferenceUnity.GraphToolkit.EditorPortCapacityThe number of connections a port can accept.阅读时间1 分钟最后更新于 1 个月前Definition Type: Enum Namespace: Unity.GraphToolkit.Editor Assembly: UnityEditor public enum PortCapacity Fields ValueDescriptionMultiThe port can accept multiple connections.NoneThe port cannot accept any connection.SingleThe port can only accept a single connection.