共用方式為


IStringCollection::Add method

Adds an item to the collection.

Syntax

HRESULT Add(
  [in]  BSTR value,
  [out] long *retval
);

Parameters

  • value [in]
    A string to be added to the collection.

  • retval [out]
    The index of the added interface in the collection.

Return value

Returns S_OK if successful. Otherwise, returns a COM or Windows error code.

This method can also return the following error codes.

Return code Description
E_POINTER

A parameter value is invalid or NULL.

WU_E_NOT_SUPPORTED

The collection is read-only.

 

Requirements

Minimum supported client

Windows XP, Windows 2000 Professional with SP3 [desktop apps only]

Minimum supported server

Windows Server 2003, Windows 2000 Server with SP3 [desktop apps only]

Header

Wuapi.h

IDL

Wuapi.idl

Library

Wuguid.lib

DLL

Wuapi.dll

See also

IStringCollection