DOFOperation DOFOperation_Cancel DOFOperation_Destroy DOFOperation_GetContext DOFOperation_GetException DOFOperation_GetTimeRemaining DOFOperation_IsAcknowledged DOFOperation_IsCancelled DOFOperation_IsComplete DOFOperation_SetTimeout DOFOperation_WaitAcknowledged DOFOperation_WaitComplete DOFOperationBridgeConfig DOFOperationBridgeConfigBuilder DOFOperationDefine_GetControl DOFOperationDefine_GetInterfaceID DOFOperationDefine_GetObject DOFOperationDefine_WaitInterface DOFOperationFilter DOFOperationFilterBuilder DOFOperationGet_GetControl DOFOperationGet_GetObject DOFOperationGet_GetProperty DOFOperationGet_GetResult DOFOperationGet_WaitResult DOFOperationInterest_GetControl DOFOperationInterest_GetInterestLevel DOFOperationInterest_GetInterfaceID DOFOperationInterest_GetObjectID DOFOperationInterest_GetSystem DOFOperationInvoke_GetControl DOFOperationInvoke_GetMethod DOFOperationInvoke_GetObject DOFOperationInvoke_GetResult DOFOperationInvoke_WaitResult DOFOperationProvide_GetInterface DOFOperationProvide_GetObject DOFOperationQuery_GetQuery DOFOperationQuery_GetSystem DOFOperationRegister_GetControl DOFOperationRegister_GetEvent DOFOperationRegister_GetObject DOFOperationSession_GetControl DOFOperationSession_GetInterface DOFOperationSession_GetObject DOFOperationSession_GetSessionType DOFOperationSession_SetDataTransform DOFOperationSession_WaitSession DOFOperationSet_GetControl DOFOperationSet_GetObject DOFOperationSet_GetProperty DOFOperationSet_GetResult DOFOperationSet_WaitResult DOFOperationSubscribe_GetControl DOFOperationSubscribe_GetMinPeriod DOFOperationSubscribe_GetObject DOFOperationSubscribe_GetProperty

DOFInterfaceID DOFOperationSession_GetSessionType ( const DOFOperation  op ) Return the Session's type (a DOFInterfaceID) that is associated with the Session Operation. The type is always provided on the session, and indicates the purpose of and contract for the session. Parameters op The Operation. This must not be NULL and must represent a valid Session Operation. Returns The associated session primary DOFInterfaceID. This will not be NULL.