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IDLFLAG Enumeration

Describes how to transfer a structure element, parameter, or function return value between processes.

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

Namespace:  System.Runtime.InteropServices.ComTypes
Assembly:  mscorlib (in mscorlib.dll)

[<SerializableAttribute>]
[<FlagsAttribute>]
type IDLFLAG

Member nameDescription
Supported by Portable Class LibrarySupported in .NET for Windows Store appsIDLFLAG_FINThe parameter passes information from the caller to the callee.
Supported by Portable Class LibrarySupported in .NET for Windows Store appsIDLFLAG_FLCIDThe parameter is the local identifier of a client application.
Supported by Portable Class LibrarySupported in .NET for Windows Store appsIDLFLAG_FOUTThe parameter returns information from the callee to the caller.
Supported by Portable Class LibrarySupported in .NET for Windows Store appsIDLFLAG_FRETVALThe parameter is the return value of the member.
Supported by Portable Class LibrarySupported in .NET for Windows Store appsIDLFLAG_NONEDoes not specify whether the parameter passes or receives information.

The common language runtime throws an exception when a COM method in native code returns an HRESULT. For more information, see How to: Map HRESULTs and Exceptions.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

Supported in: Windows Phone 8.1

Windows Phone 8.1, 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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