自定义UIActionSheet控件功能

自定义UIActionSheet控件功能，源码WCActionSheet，WCActionSheet 是一款自定义UIActionSheet控件 比UIActionSheet更加优雅 支持block语法，该案例控件希望可以帮到学习的朋友。 UIActionSheet is great... unless you donot use Helvetica in your app :) I created this small alternative to UIActionSheet because I needed further customization and a bit different look.