and template instances, and much functionality is routed through this object, such
as providing selection and file dialogs. The application can use this class `as is' or
derive a class and override some members to extend or change the functionality.
and template instances, and much functionality is routed through this object, such
as providing selection and file dialogs. The application can use this class `as is' or
derive a class and override some members to extend or change the functionality.