System.ServiceModel.ServiceModelAttributeTargets static class ServiceModelAttributeTargets Documentation Code public const AttributeTargets CallbackBehavior = 4 public const AttributeTargets ClientBehavior = 1024 public const AttributeTargets ContractBehavior = 1028 public const AttributeTargets MessageContract = 12 public const AttributeTargets MessageMember = 384 public const AttributeTargets OperationBehavior = 64 public const AttributeTargets OperationContract = 64 public const AttributeTargets Parameter = 10240 public const AttributeTargets ServiceBehavior = 4 public const AttributeTargets ServiceContract = 1028