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RegistrationClassContext Enumeration

Specifies the set of execution contexts in which a class object will be made available for requests to construct instances.

This enumeration has a FlagsAttribute attribute that allows a bitwise combination of its member values.

Namespace:  System.Runtime.InteropServices
Assembly:  mscorlib (in mscorlib.dll)
[<FlagsAttribute>]
type RegistrationClassContext
Member nameDescription
DisableActivateAsActivatorDisables activate-as-activator (AAA) activations for this activation only.
EnableActivateAsActivatorEnables activate-as-activator (AAA) activations for this activation only.
EnableCodeDownloadAllows the downloading of code from the Directory Service or the Internet.
FromDefaultContextBegin this activation from the default context of the current apartment.
InProcessHandlerThe code that manages objects of this class is an in-process handler.
InProcessHandler16Not used.
InProcessServerThe code that creates and manages objects of this class is a DLL that runs in the same process as the caller of the function specifying the class context.
InProcessServer16Not used.
LocalServerThe EXE code that creates and manages objects of this class runs on same machine but is loaded in a separate process space.
NoCodeDownloadDisallows the downloading of code from the Directory Service or the Internet.
NoCustomMarshalSpecifies whether activation fails if it uses custom marshaling.
NoFailureLogOverrides the logging of failures.
RemoteServerA remote machine context.
Reserved1Not used.
Reserved2Not used.
Reserved3Not used.
Reserved4Not used.
Reserved5Not used.

The values in the RegistrationClassContext enumeration are used in the classContext parameter of the RegisterTypeForComClients method. These values are the same as those defined in the COM CLSCTX enumeration, which is used as the dwClsContext parameter in calls to the COM API CoRegisterClassObject.

For more information about CoRegisterClassObject and the CLSCTX enumeration, see the MSDN library.

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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