ISearchQueryHelper::get_QuerySelectColumns method (searchapi.h)

Article
02/22/2024

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