System.AddIn.Hosting Namespace
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System.AddIn.Hosting Namespace

The System.AddIn.Hosting namespace provides classes for discovering, registering, activating, and controlling Add-Ins.

Public classAddInControllerProvides access to an add-in for a variety of tasks.
Public classAddInEnvironmentProvides access to the application domain and process of an add-in.
Public classAddInProcessProvides an external process for hosting add-ins.
Public classAddInSegmentDirectoryNotFoundExceptionThe exception that is thrown when a segment directory is missing from the pipeline directory structure.
Public classAddInStoreProvides methods to store and find information about available add-ins and pipeline segments.
Public classAddInTokenRepresents an add-in that can be activated.
Public classInvalidPipelineStoreExceptionThe exception that is thrown when a directory is not found and the user does not have permission to access the pipeline root path or an add-in path.

Public structureQualificationDataItemRepresents information supplied by the developer of a pipeline segment, for use by the host.

Public enumerationAddInSecurityLevelSpecifies the trust level that is granted to the application domain that an add-in is loaded into.
Public enumerationAddInSegmentTypeSpecifies the type of a pipeline segment.
Public enumerationPipelineStoreLocationSpecifies alternative locations for a pipeline store instead of a path to a directory.

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