Resizable UILabel which scrolls across the screen

[lblMessage setText: txtEnter.text];

CABasicAnimation *scrollText;

scrollText=[CABasicAnimation animationWithKeyPath:@"position.x"];
scrollText.duration = 3.0;
scrollText.repeatCount = 10000;
scrollText.autoreverses = NO;
scrollText.fromValue = [NSNumber numberWithFloat:500];
scrollText.toValue = [NSNumber numberWithFloat:-120.0];

[[lblMessage layer] addAnimation:scrollText forKey:@"scrollTextKey"];

[lblMessage setText: txtEnter.text];
[lblMessage sizeToFit];
scrollView.contentSize = lblMessage.frame.size;