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System.AddIn Namespaces
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System.AddIn Namespaces

The System.AddIn namespaces contain types used to identify, register, activate, and control add-ins, and to allow add-ins to communicate with a host application.

NamespaceDescription
System.AddInThe System.AddIn namespace contains the AddInAttribute attribute for identifying add-ins.
System.AddIn.ContractThe System.AddIn.Contract namespace contains interfaces and structures that provide the basis for communication between components that are updated independently.
System.AddIn.Contract.AutomationThe System.AddIn.Contract.Automation namespace contains interfaces that components use to access type information and invoke type members.
System.AddIn.Contract.CollectionsThe System.AddIn.Contract.Collections namespace contains interfaces that define collections of IContract and RemoteArgument objects.
System.AddIn.HostingThe System.AddIn.Hosting namespace provides classes for discovering, registering, activating, and controlling Add-Ins.
System.AddIn.PipelineThe System.AddIn.Pipeline namespace provides classes for constructing the communication pipeline between a host application and an add-in.

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