IDirectorySearch::ExecuteSearch method (iads.h)

Článek
10/13/2021

The IDirectorySearch::ExecuteSearch method executes a search and passes the results to the caller. Some providers, such as LDAP, will defer the actual execution until the caller invokes the IDirectorySearch::GetFirstRow method or the IDirectorySearch::GetNextRow method.

Syntax

HRESULT ExecuteSearch(
  [in]  LPWSTR             pszSearchFilter,
  [in]  LPWSTR             *pAttributeNames,
  [in]  DWORD              dwNumberAttributes,
  [out] PADS_SEARCH_HANDLE phSearchResult
);

Parameters

[in] pszSearchFilter

A search filter string in LDAP format, such as "(objectClass=user)".

[in] pAttributeNames

An array of attribute names for which data is requested. If NULL, dwNumberAttributes must be 0 or 0xFFFFFFFF.

[in] dwNumberAttributes

The size of the pAttributeNames array. The special value 0xFFFFFFFF indicates that pAttributeNames is ignored and can be NULL. This special value means that all attributes that are set are requested. If this value is 0 the pAttributeNames array can be NULL. No attribute will be requested.

[out] phSearchResult

The address of a method-allocated handle to the search context. The caller passes this handle to other methods of IDirectorySearch to examine the search result. If NULL, the search cannot be executed.

Return value

This method returns the standard return values, as well as the following:

For more information and other return values, see ADSI Error Codes.

Remarks

When the search filter (pszSearchFilter) contains an attribute of ADS_UTC_TIME type, it value must be of the "yymmddhhmmssZ" format where "y", "m", "d", "h", "m" and "s" stand for year, month, day, hour, minute, and second, respectively. In this format, for example, "10:20:00 May 13^th, 1999" becomes "990513102000Z". The final letter "Z" is the required syntax and indicated Zulu Time or Universal Coordinated Time.

The caller must call IDirectorySearch::CloseSearchHandle to release the memory allocated for the search handle and the result.

When using the special value of 0xFFFFFFFF for dwNumberAttributes, LDAP retrieval of ADsPath or distinguishedName has no extra resource or time cost.

Examples

The following C++ code example shows how to invoke IDirectorySearch::ExecuteSearch.

LPWSTR pszAttr[] = { L"ADsPath", L"Name", L"samAccountName" };
ADS_SEARCH_HANDLE hSearch;
DWORD dwCount= sizeof(pszAttr)/sizeof(LPWSTR);
 
// Search for users with a last name that begins with "h".
hr = m_pSearch->ExecuteSearch(L"(&(objectClass=user)(sn=h*))", pszAttr, dwCount, &hSearch );

Requirements

Requirement	Value
Minimum supported client	Windows Vista
Minimum supported server	Windows Server 2008
Target Platform	Windows
Header	iads.h
DLL	Activeds.dll; Adsldp.dll; Adsldpc.dll

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