[PresentmentMailTransactionRequest.OfxExtension property 获取或设置OfxExtensionType. public OfxExtensionType OfxExtension { get; set; } 也可以看看 class OfxExtensionType class PresentmentMailTransactionRequest 命名空间 Aspose.Finance.Ofx.BillerDelivery 部件 Aspose.Finance]
