public override bool ReadFromUrl(NSUrl absoluteUrl, string typeName, out NSError outError)
        {
            var loaded = QTMovie.FromUrl(absoluteUrl, out outError);

            if (loaded != null)
            {
                loaded.SetAttribute(NSNumber.FromBoolean(true), QTMovie.EditableAttribute);

                if (movie != null)
                {
                    movie.Dispose();
                }
                movie = loaded;
            }
            return(loaded != null);
        }