Pic

public struct PicData
    {
        public byte[] data;
        public int length;
        public Guid id;
    }

public void post()
    {
        var uploaded = new PostedImage();
        var newPic = new PicData();
        newPic.data = uploaded.data;
        newPic.length = uploaded.length;
        newPic.id = Guid.NewGuid();
    }