- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
  

  {
  

  // Return YES for supported orientations
  

  return (interfaceOrientation == UIInterfaceOrientationPortrait);
  

  }
  

  

  typedef enum {
  

  UIInterfaceOrientationPortrait           = UIDeviceOrientationPortrait,
  

  UIInterfaceOrientationPortraitUpsideDown = UIDeviceOrientationPortraitUpsideDown,
  

  UIInterfaceOrientationLandscapeLeft      = UIDeviceOrientationLandscapeRight,
  

  UIInterfaceOrientationLandscapeRight     = UIDeviceOrientationLandscapeLeft
  

  } UIInterfaceOrientation;