ISearchQueryHelper::put_QuerySelectColumns method

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

Syntax

HRESULT put_QuerySelectColumns(
  LPCWSTR pszSelectColumns
);

Parameters

pszSelectColumns

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]
Target Platform Windows
Header searchapi.h
Redistributable Windows Desktop Search (WDS) 3.0

See Also

ISearchQueryHelper

ISearchQueryHelper::get_QuerySelectColumns

Querying the Index Programmatically

Querying the Index with Windows Search SQL Syntax

System Properties