我有以下测试代码：
CGFloat endRed,endGreen,endBlue,endAlpha; [[UIColor greenColor] getRed:&endRed green:&endGreen blue:&endBlue alpha:&endAlpha];
我调用一个UIView类的drawRect方法.
此代码失败,异常
2011-11-06 02:29:28.671 Chartous[13457:b303] -[UICachedDeviceRGBColor getRed:green:blue:alpha:]: unrecognized selector sent to instance 0x4e7ea10 2011-11-06 02:29:28.673 Chartous[13457:b303] *** Terminating app due to uncaught exception 'NSInvalidArgumentException',reason: '-[UICachedDeviceRGBColor getRed:green:blue:alpha:]: unrecognized selector sent to instance 0x4e7ea10'
这里有什么问题？
