The Microsoft Information Protection (MIP) SDK for C++ allows developers to manage and apply data protection policies to data and other digital assets. For guidance on how to use it, see Microsoft Information Protection SDK documentation.

The MIP SDK for C++ reference includes the following classes:

Class	Description
AccessDeniedError	The user could not get access to the content
Action	Interface for an action
AddContentFooterAction	An action class that specifies adding a content footer to the document
AddContentHeaderAction	An action class that specifies adding content header
AddDynamicWatermarkAction	An action class that specifies adding watermark
AddWatermarkAction	An action class that specifies adding watermark
AdhocProtectionRequiredError	Adhoc protection should be set to complete the action on the file
ApplicationInfo	A struct that includes application-specific information
ApplyLabelAction	Apply label actions require the calling application to apply a specific label
AsyncControl	Class used to cancel async operation
AuditDelegate	A class that defines the interface to the MIP SDK audit notifications
AuditEvent	A single audit event
AuthDelegate	Delegate for auth-related operations
AuthDelegate:OAuth2Challenge	Contains information required to generate an OAuth2 token
AuthDelegate:OAuth2Token	Contains access token info provided by an application
BadInputError	Bad input error, thrown when the input to an SDK API is invalid
ClassificationRequest	Class that contains the request of a classification call on the Execution State
ClassificationResult	Class that contains the result of a classification call on the Execution State
ConsentDelegate	Delegate for consent-related operations
ConsentDeniedError	Operation requiring consent from the user was not granted consent
ContentFormatNotSupportedError	Content format is not supported
ContentLabel	Abstraction for a Microsoft Information Protection label applied to content
CustomAction	CustomAction is a generic action class that captures sub-properties of the action as a property bag
CustomerKeyUnavailableError	Bring your own encryption key needed and unavailable
DelegateResponseError	Delegate Response Error
DelegationLicense
DelegationLicenseSettings
DeprecatedApiError	Caller invoked a deprecated API
DetailedClassificationResult	Class containing result of a classification call on the Execution State
DiagnosticConfiguration	Custom diagnostic configurations (not commonly used)
DiagnosticDelegate	Defines the interface to MIP SDK audit/telemetry notifications
DirectoryObject	Directory object information includes type, email, objectId, and PUID
DirectoryObjectRights	Directory object and associated rights
DynamicWatermark	Representation of the dynamic watermark configured for a label
Error	Base class for all errors from MIP SDK
Event	A single audit/telemetry event
EventContext	A single audit/telemetry event context
EventProperty	A single audit/telemetry property
ExecutionState	Interface for all state needed to execute the engine
ExtendedErrorInfo
FileExecutionState
FileHandler	Interface for all file handling functions
FileHandler:Observer	Observer interface for notifications related to file handler
FileInspector
FileIOError	File IO error
FileProfile	Root class for Microsoft Information Protection operations
FileProfile:Observer	Observer interface for profile-related events
FileProfile:Settings	Settings used by FileProfile during creation and throughout its lifetime
FileStatus	Interface for all file status functions
GetTemplatesSettings	Settings for obtaining templates
HttpDelegate	Interface for overriding HTTP handling
HttpOperation	Interface describing a single HTTP operation
HttpRequest	Interface describing a single HTTP request
HttpResponse	Interface describing a single HTTP response
Identity	Abstraction for identity
InsufficientBufferError	Insufficient buffer error
InternalError	Internal error
JsonDelegate
JsonDocument	JsonDocument abstraction class
JsonValue
JustificationRequiredError
JustifyAction	Justify action requires justification for label downgrade
Label	Abstraction for a Microsoft Information Protection label
LabelDisabledError	Label is disabled or inactive
LabelInfo	Label information for a template or ad-hoc (custom) protection
LabelingOptions	Interface for configuring labeling options
LabelNotFoundError	Label ID is not recognized
LicenseApplicationData	Application data from a license
LicenseConnectionInfo	Connection information from a license
LicenseDescriptor	Descriptor from a license
LicenseInfo	Representation of the dynamic watermark configured for a label
LicenseNameAndDescriptionItem	Descriptor line item from a license
LicenseNotRegisteredError	License is not registered
LicenseRightsData	Rights information of the publishing license
LoggerConfiguration	Configuration for default logging
LoggerDelegate	Interface to the MIP SDK logger
LogMessageData	Stores log messages
MetadataAction	Action that adds metadata to the content
MetadataEntry	Abstraction class for metadata entry
MetadataVersion	Interface for MetadataVersion
MipConfiguration	Configuration used by MIP SDK throughout its lifetime
MipContext	Represents shared state across all profiles, engines, and handlers
MsgAttachmentData
MsgInspector
NetworkError	Networking error
NoAuthTokenError	Missing authentication token
NoPermissionsError	Lack of access due to permissions
NoPermissionsExtendedError	Lack of access due to extended access checks
NoPolicyError	Classification/labels not configured in tenant policy
NotSupportedError	Unsupported operation by the SDK
OperationCancelledError	Operation was cancelled
ParsedPublishingLicense
ParsedPublishingLicenseBuilder
PolicyEngine	Interface for all engine functions
PolicyEngine:Settings	Settings associated with PolicyEngine
PolicyHandler	Interface for all policy handler functions on a file
PolicyProfile	Root class for Microsoft Information Protection operations
PolicyProfile:Observer	Observer interface for profile-related events
PolicyProfile:Settings	Settings used by PolicyProfile during creation and throughout its lifetime
PrivilegedRequiredError	Privileged operation label cannot be overridden
ProtectAdhocAction	Adds adhoc protection to the document
ProtectAdhocDkAction	Adds adhoc double key protection to the document
ProtectByEncryptOnlyAction	Adds encrypt only protection to the document
ProtectByTemplateAction	Adds protection by template to the document
ProtectDoNotForwardAction	Adds do not forward protection to the document
ProtectDoNotForwardDkAction	Adds do not forward double key protection to the document
ProtectionCommonSettings	Settings for protection operations
ProtectionDescriptor	Description of protection associated with content
ProtectionDescriptorBuilder	Constructs a ProtectionDescriptor for content protection
ProtectionEngine	Manages protection-related actions for a specific identity
ProtectionEngine:Observer	Receives notifications related to ProtectionEngine
ProtectionEngine:Settings	Settings used by ProtectionEngine throughout its lifetime
ProtectionHandler	Manages protection actions for specific configuration
ProtectionHandler:ConsumptionSettings	Settings to consume existing content
ProtectionHandler:Observer	Receives notifications related to ProtectionHandler
ProtectionHandler:PublishingSettings	Settings to protect new content
ProtectionProfile	Root class for performing protection operations
ProtectionProfile:Observer	Receives notifications related to ProtectionProfile
ProtectionProfile:Settings	Settings used by ProtectionProfile throughout its lifetime
ProtectionSettings	Configures protection options for SetLabel method
ProxyAuthenticationError	Proxy authentication failure
PublishingLicenseInfo	Details of a Publishing License for protection handler
PublishingUseLicenseRequest	Request for a use license in the publishing request
RecommendLabelAction	Suggests a label to the users
RemoveContentFooterAction	Removes content footer from document
RemoveContentHeaderAction	Removes content header from document
RemoveDynamicWatermarkAction	Removes watermark from document
RemoveProtectionAction	Removes protection from document
RemoveWatermarkAction	Removes watermark from document
SensitivityTypesRulePackage
ServiceDisabledError	Lack of access due to disabled service
StorageDelegate	Interface for MIP SDK storage for caching
StorageDelegate:StorageSettings	Settings used by StorageDelegate
StorageTable	Interface to MIP SDK storage table for caching
Stream	Interface between MIP SDK and stream-based content
TaskDispatcherDelegate	Interface to MIP SDK task dispatcher
TelemetryDelegate	Interface to MIP SDK telemetry notifications
TelemetryEvent	A single telemetry event
TemplateArchivedError	Template ID is archived and unavailable for protection
TemplateDescriptor
TemplateNotFoundError	Template ID not recognized by RMS service
TenantInformation	Tenant information from RMS
UniqueIdsAndContentFormats
UserRights	Group of users and their associated rights
UserRoles	Group of users and their associated roles
xml
xml:XmlDelegate	Interface for overriding XML handling
xml:XmlDocument	Interface to interact with XML document
xml:XmlLoadException
xml:XmlNamespace
xml:XmlNode	Defines abstraction over XML node
xml:XmlParserException
xml:XmlReader	XmlReader abstraction class