ReleaseInstanceMode Enumeration
Specifies when the system recycles the service object in the operation invocation process.
Assembly: System.ServiceModel (in System.ServiceModel.dll)
| Member name | Description | |
|---|---|---|
| None | Recycles the object according to the InstanceContextMode value. | |
| BeforeCall | Recycles the object prior to calling the operation. | |
| AfterCall | Recycles the object subsequent to the completion of the operation. | |
| BeforeAndAfterCall | Recycles the object prior to calling the operation and subsequent to the completion of the operation. |
Use the ReleaseInstanceMode with the ReleaseInstanceMode property to inform Windows Communication Foundation (WCF) that the current service object must be recycled at a particular point in the invocation process. The default behavior is to recycle a service object according to the InstanceContextMode value.
The following example code shows the use of ReleaseInstanceMode to recycle service objects both before and after a call.
class SampleService : ISampleService { private Guid id; private string session; public SampleService() { id = Guid.NewGuid(); session = OperationContext.Current.SessionId; Console.WriteLine("Object {0} has been created.", id); Console.WriteLine("For session {0}", session); } [OperationBehavior( ReleaseInstanceMode=ReleaseInstanceMode.BeforeAndAfterCall )] public string SampleMethod(string msg) { Console.WriteLine("The caller said: \"{0}\"", msg); Console.WriteLine("For session {0}", OperationContext.Current.SessionId); return "The service greets you: " + msg; } ~SampleService() { Console.WriteLine("Object {0} has been destroyed.", id); Console.WriteLine("For session {0}", session); } }
Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.