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.NET Framework 4 Hosting Interfaces

.NET Framework 4

.NET Framework 4.5

This section describes interfaces that unmanaged hosts can use to integrate the common language runtime (CLR) in the .NET Framework version 4 and later into their applications. These interfaces provide methods for a host to configure and load the runtime into a process.

All .NET Framework 4 hosting interfaces have the following characteristics:

They use lifetime management (AddRef and Release), encapsulation (implicit context) and QueryInterface from COM.
There do not use COM types such as BSTR, SAFEARRAY, or VARIANT.
There are no apartment models, aggregation, or registry activation that use the CoCreateInstance function.

In This Section

ICLRAppDomainResourceMonitor Interface: Provides methods that inspect an application domain's memory and CPU usage.
ICLRDomainManager Interface: Enables the host to specify the application domain manager that will be used to initialize the default application domain, and to specify initialization properties.
ICLRMetaHost Interface: Provides methods that return a specific version of the CLR, list all installed CLRs, list all in-process runtimes, return the activation interface, and discover the CLR version used to compile an assembly.
ICLRMetaHostPolicy Interface: Provides the GetRequestedRuntime method that provides a CLR interface based on policy criteria, managed assembly, version, and configuration file.
ICLRRuntimeInfo Interface: Provides methods that return information about a specific runtime, including version, directory, and load status.
ICLRStrongName Interface: Groups all existing Strong Naming Global Static Functions in the .NET Framework 2.0 that are exported by MSCorEE.dll (except StrongNameErrorInfo Function) into a single interface. All the ICLRStrongName methods return standard COM HRESULTs.
ICLRTask2 Interface: Provides all the functionality of the ICLRTask Interface; in addition, provides methods that allow thread aborts to be delayed on the current thread.

Related Sections

.NET Framework 1.0 and 1.1 Hosting Interfaces: Describes the hosting interfaces provided with the .NET Framework versions 1.0 and 1.1.
.NET Framework 2.0 Hosting Interfaces: Describes the hosting interfaces provided with the .NET Framework versions 2.0, 3.0, and 3.5.
Hosting (Unmanaged API Reference): Introduces hosting in the .NET Framework.

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