1 Introduction

The IManagedObject Interface Protocol provides interoperability support for the common language runtime (CLR). The common language runtime (CLR) is a virtual machine for the execution of software. The IManagedObject interface provides a bridge between existing computer systems and the virtual execution environment.

In particular, the CLR supports interoperability with the Component Object Model (COM).<1> The CLR supports exposing its own objects to COM for use as native COM objects and supports consuming COM objects.

In order to determine whether a COM object that enters the CLR is actually one of its own managed objects, the IManagedObject interface was created to allow for the CLR to identify its own objects. The IManagedObject Interface Protocol mechanism is detailed in this specification.

Sections 1.5, 1.8, 1.9, 2, and 3 of this specification are normative. All other sections and examples in this specification are informative.

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