Description: Represents enumeration used for WhatColumns property.

Members:

Member Name	Description
AnyColumn	SQL query will return a row if search term exists in any of SearchColumns.
AllColumns	Returns only rows where every search column contains search terms.

Example: Text property is set to "apple" and there are two search columns: Title and Description. WhatColumns is set to enuWhatColumns.AnyColumn. SQL query will return results where the column Title or column Description contains word "apple". If WhatColumns changes to enuWhatColumns.AllColumns, SQL query will return only rows that contains word "apple" both Title and Description columns.