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PARAMFLAG 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
Assemblies:   mscorlib (in mscorlib.dll)
  System.Runtime.InteropServices (in System.Runtime.InteropServices.dll)

[SerializableAttribute]
[FlagsAttribute]
public enum PARAMFLAG

Member nameDescription
Supported by Portable Class LibraryPARAMFLAG_FHASCUSTDATAThe parameter has custom data.
Supported by Portable Class LibraryPARAMFLAG_FHASDEFAULTThe parameter has default behaviors defined.
Supported by Portable Class LibraryPARAMFLAG_FINThe parameter passes information from the caller to the callee.
Supported by Portable Class LibraryPARAMFLAG_FLCIDThe parameter is the local identifier of a client application.
Supported by Portable Class LibraryPARAMFLAG_FOPTThe parameter is optional.
Supported by Portable Class LibraryPARAMFLAG_FOUTThe parameter returns information from the callee to the caller.
Supported by Portable Class LibraryPARAMFLAG_FRETVALThe parameter is the return value of the member.
Supported by Portable Class LibraryPARAMFLAG_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

Supported in: Windows Phone 8.1
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