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ISearchQueryHelper::put_QuerySelectColumns method

Sets the columns (or properties) requested in the select statement.

Syntax


HRESULT put_QuerySelectColumns(
  [in, unique] LPCWSTR pszSelectColumns
);

Parameters

pszSelectColumns [in]

Type: LPCWSTR

Pointer to a comma-delimited, null-terminated Unicode string that specifies one or more columns in the property store. Separate multiple column specifiers with commas: "System.Document.Author,System.Document.Title".

Return value

Type: HRESULT

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

Remarks

No defined and fixed set of properties applies to all documents. For this reason, the SQL asterisk is not permitted in the <columns> setting. For a list of valis Shell system properties, refer to System Properties.

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

See also

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

 

 

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