PARAMFLAG Enum

Definition

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

This enumeration supports a bitwise combination of its member values.

C#
[System.Flags]
public enum PARAMFLAG
C#
[System.Flags]
[System.Serializable]
public enum PARAMFLAG
Inheritance
PARAMFLAG
Attributes

Fields

Name Value Description
PARAMFLAG_NONE 0

Does not specify whether the parameter passes or receives information.

PARAMFLAG_FIN 1

The parameter passes information from the caller to the callee.

PARAMFLAG_FOUT 2

The parameter returns information from the callee to the caller.

PARAMFLAG_FLCID 4

The parameter is the local identifier of a client application.

PARAMFLAG_FRETVAL 8

The parameter is the return value of the member.

PARAMFLAG_FOPT 16

The parameter is optional.

PARAMFLAG_FHASDEFAULT 32

The parameter has default behaviors defined.

PARAMFLAG_FHASCUSTDATA 64

The parameter has custom data.

Remarks

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.

Applies to

Product Versions
.NET Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9
.NET Framework 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 2.0, 2.1
UWP 10.0