ThirdParty.iOS4Unity.UIImage.SaveToPhotosAlbum C# (CSharp) Méthode

        public void SaveToPhotosAlbum(Action<NSError> callback = null)
        {
            if (callback == null)
            {
                UIImageWriteToSavedPhotosAlbum(Handle, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero);
            }
            else
            {
                var dispatcher = new UIImageDispatcher(callback);
                Callbacks.Subscribe(dispatcher, SelectorName, (IntPtr obj, IntPtr e, IntPtr ctx) =>
                {
                    callback(e == IntPtr.Zero ? null : Runtime.GetNSObject<NSError>(e));
                    dispatcher.Dispose();
                });
                UIImageWriteToSavedPhotosAlbum(Handle, dispatcher.Handle, ObjC.GetSelector(SelectorName), IntPtr.Zero);
            }
        }
    }