@interface MYAppDelegate : NSObject <NSApplicationDelegate> {
    NSWindow *window;

    IBOutlet NSTextField *ip;

}

@implementation MyAppDelegate

@synthesize window;
@synthesize ip;

- (void)applicationDidFinishLaunching:(NSNotification *)aNotification {
    // Insert code here to initialize your application

    NSLog(@"%@", ip);
    [ip setStringValue:@"hey"];

}