xamarin.ios 綁定 oc libray

參考鏈接：

xamarin.ios綁定百度地圖sdk

http://developer.xamarin.com/guides/ios/advanced_topics/binding_objective-c/binding_types_reference_guide/

http://developer.xamarin.com/guides/ios/advanced_topics/binding_objective-c/binding_objc_libs/

http://kannan-chandra.com/posts/xamarin-binding-appsee/