#import "MyDocument.h" #import "myProject.h" #import "myResults.h" @interface MyDocument (GSMyDocument) -(IBAction) close: (id) sender; @end @implementation MyDocument(GSMyDocument) -(IBAction) close: (id) sender { [self niceClose: sender]; } @end @interface myProject (GSMyProject) -(IBAction) close: (id) sender; @end @implementation myProject(GSMyProject) -(IBAction) close: (id) sender { [self niceClose: sender]; } @end @interface myResults (GSMyResults) -(IBAction) close: (id) sender; @end @implementation myResults (GSMyResults) -(IBAction) close: (id) sender { [self niceClose: sender]; } @end