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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
Assembly: mscorlib (in mscorlib.dll)

public enum PARAMFLAG : short
/** @attribute SerializableAttribute() */ 
/** @attribute FlagsAttribute() */ 
public enum PARAMFLAG
public enum PARAMFLAG

 Member nameDescription
PARAMFLAG_FHASCUSTDATAThe parameter has custom data. 
PARAMFLAG_FHASDEFAULTThe parameter has default behaviors defined. 
PARAMFLAG_FINThe parameter passes information from the caller to the callee. 
PARAMFLAG_FLCIDThe parameter is the local identifier of a client application. 
PARAMFLAG_FOPTThe parameter is optional. 
PARAMFLAG_FOUTThe parameter returns information from the callee to the caller. 
PARAMFLAG_FRETVALThe parameter is the return value of the member. 
PARAMFLAG_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.

Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0