Selects a range of rows.
This functionality is supported only if you are using the Open Agent.
table.ExtendSelect (row, [column])
|row||The row to which to extend the selection. LISTITEM.|
|column||Optional. The column to which to extend the selection. LISTITEM.|
ExtendSelect requires that the table already has a selected item. Precede the call with a call to Select to select the first item.