New API in atkmm 2.12

Member Atk::Range::get_lower_limit () const

Member Atk::Range::get_upper_limit () const

Member Atk::Value::get_increment ()

Member Atk::Value::get_range () const

Member Atk::Value::set_value (const gdouble new_value)

Member Atk::Value::signal_value_changed ()