| Class | Description |
|---|
| BizTalkDatabase | Represents a generic BizTalk Server database. |
| BizTalkMessage | Contains summary description for BTSMessage. This class cannot be inherited. |
| BizTalkOperations | Provides developers programmatic access to information that is displayed on the Group Hub page in the BizTalk Administration Management Console. This class cannot be inherited. |
| BizTalkRootMessage | Represents the base class for BizTalkMessage and BizTalkTrackedMessage classes. |
| BizTalkTrackedMessage | Represents a tracked message. This class cannot be inherited. |
| Instance | Represents a generic BizTalk Server service instance. |
| MessageBoxDatabase | Represents an individual MessageBox database. This class cannot be inherited. |
| MessageBoxServiceInstance | Encapsulates properties and methods which are common to service instances created from the MessageBox databases. |
| MessageEvent | Represents a collection of details pertaining to a message as recorded in the tracking database. This class cannot be inherited. |
| MessageFlow | Describes the flow of messages into and out of a service instance in the tracking database. This class cannot be inherited. |
| MessageRoutingDetails | Represents information indicating where a message was routed using information from the tracking database. This class cannot be inherited. |
| MSMQtInboundQState | Contains the parsed user state information for an MSMQt object resident in an inbound queue. This class cannot be inherited. |
| MSMQtInstance | Represents a BizTalk Server MSMQt service instance. This class cannot be inherited. |
| MSMQtOutboundQState | Contains the parsed user state information for an MSMQt object resident in an outbound queue. This class cannot be inherited. |
| MultipleArtifactsFoundException | This exception is thrown when an Operations artifact search returns multiple records instead of a single record. |
| OperationsArtifactNotFoundException | This exception is thrown when an Operations artifact cannot be found. |
| OperationsCancelFailureException | This exception is thrown when a user-initiated operation is canceled and the cancel operation fails. |
| OperationsCancelledException | This exception is thrown when a user-initiated operation is canceled and the cancel operation succeeds. |
| OperationsException | The exception that is thrown by Operations namespace types. |
| OperationsPermissionsException | This exception is thrown when a user with inadequate permissions tries to access sensitive data such as when a user with bts_operator permissions tries to access the message context or message parts. |
| OrchestrationInstance | Represents a BizTalk Server orchestration service instance. This class cannot be inherited. |
| Predicate | Represents a BizTalk Server predicate object, which is used in the PredicateGroup object, which in turn is a part of the Subscription object. |
| PredicateGroup | Defines the PredicateGroup object used in the Subscription object. |
| RoutingFailureInstance | Contains information about routing failures and can be used for debugging. This class cannot be inherited. |
| SendPortInstance | Encapsulates the instance associated with a messaging instance including both send and receive ports. This class cannot be inherited. |
| Subscription | Represents a subscription for a service instance. This class cannot be inherited. |
| TrackedServiceInstance | Represents a service instance using information derived from the Tracking database. |
| TrackingDatabase | Represents a BizTalk Server tracking database. This class cannot be inherited. |