-- (IBAction)radioChanged:(id)sender;
-- (IBAction)mdirChanged:(id)sender;
-- (IBAction)mbtnChanged:(id)sender;
-- (IBAction)sdirChanged:(id)sender;
+- (IBAction)outputTypeChanged:(id)sender;
+- (IBAction)mouseDirectionChanged:(id)sender;
+- (IBAction)mouseButtonChanged:(id)sender;
+- (IBAction)scrollDirectionChanged:(id)sender;