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Gets the columns (or properties) requested in the SELECT statement of the query.
Syntax
HRESULT get_QuerySelectColumns(
[out, retval] LPWSTR *ppszSelectColumns
);
Parameters
[out, retval] ppszSelectColumns
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.
Checkout the DSearch code sample to see how to create a class for a static console application to query Windows Search using the Microsoft.Search.Interop assembly for ISearchQueryHelper.
Requirements
| Requirement | Value |
|---|---|
| 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::put_QuerySelectColumns
Querying the Index Programmatically