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ISearchQueryHelper::get_QuerySelectColumns method

Gets the columns (or properties) requested in the SELECT statement of the query.

Syntax


HRESULT get_QuerySelectColumns(
  [out, retval] LPWSTR *ppszSelectColumns
);

Parameters

ppszSelectColumns [out, retval]

Type: LPWSTR*

Receives a pointer to a comma-delimited, null-terminated Unicode string that specifies the columns (or properties) to be returned from a query.

Return value

Type: HRESULT

If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Remarks

Items are represented in the property store as a row. Each row contains a number of columns that represent properties for that row or object. Not all items will have a value for a particular property. Properties must be in the property store to be subject to a select operation.

The DSearch code sample, available on Code Gallery and the Windows 7 SDK, demonstrates how to create a class for a static console application to query Windows Search using the Microsoft.Search.Interop assembly for ISearchQueryHelper.

Requirements

Minimum supported client

Windows XP with SP2, Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2003 with SP1 [desktop apps only]

Redistributable

Windows Desktop Search (WDS) 3.0

Header

Searchapi.h

IDL

Searchquery.idl

See also

ISearchQueryHelper
ISearchQueryHelper::put_QuerySelectColumns
System Properties
Querying the Index Programmatically
Querying the Index with Windows Search SQL Syntax

 

 

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