Selects (and highlights) the text in a widget between two specified character offsets.
Return type: LOGICAL
Applies to: BROWSE widget (column), COMBO-BOX widget, EDITOR widget, FILL-IN widget
This method selects the text that begins at the offset start-pos and ends at the offset end-pos. If the operation is successful, the method returns TRUE. Otherwise, it returns FALSE.
In Windows, both the regular editor and the large editor support SET-SELECTION.
For browses, this method applies only to fill-in and combo-box browse columns.