ISearchQueryHelper::put_QuerySelectColumns Method

  • Article

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

Syntax

HRESULT put_QuerySelectColumns(      
    LPCWSTR pszSelectColumns
);

Parameters

  • pszSelectColumns
    [in, unique] 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

Returns S_OK if successful, or an error value otherwise.

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.

See Also

ISearchQueryHelper::get_QuerySelectColumns, System Properties