Segue

[self performSegueWithIdentifier:@“AskAboutSnowboard” sender:self];

- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
    if ([segue.identifier isEqualToString:@“DoAParticularThing”]) {

        [segue.destinationViewController performSelector:@selector(setPreviousImages:) withObject:self.capturedImages];

// 或者  UIViewController *newController = segue.destinationViewController;
// send messages to newController to prepare it to appear on screen
// the segue will do the work of putting the new controller on screen
} }