title Platform::Runtime::InteropServices Namespace | Microsoft Docs ms.custom ms.date 12/30/2016 ms.technology cpp-windows ms.topic reference f1_keywords VCCORLIB/Platform::Runtime::InteropServices dev_langs C++ helpviewer_keywords Platform::Runtime::InteropServices Namespace ms.assetid 546b981a-a360-4a78-b89f-fdf0df848747 author mikeblome ms.author mblome ms.workload cplusplus Platform::Runtime::InteropServices Namespace This namespace is intended for internal use only, and is not intended to be used for development. Syntax namespace Platform { namespace InteropServices { }} Members Although this namespace is intended for internal use, browsers can display the following members of this namespace. Name Remark ComInterfaceType enumeration InterfaceTypeAttribute LayoutKind enumeration MarshalAsAttribute StuctLayoutAttribute UnmanagedType enumeration Inheritance Hierarchy Platform Requirements Metadata: platform.winmd Namespace: Platform::InteropServices See Also Platform Namespace