Publish Image to Umbraco Media Library

public class MediaClass
{
    public HttpPostedFileBase file { get; set; }
    public string FileNameAlias { get; set; }
    public string NameOfImage { get; set; }
    public string ParentMediaName { get; set; }
}
protected int AddImageToUmbraco(MediaClass mediaClass)
{
    var ms = Services.MediaService;
    var newFile = ms.CreateMedia(mediaClass.NameOfImage,      uQuery.GetMediaByName(mediaClass.ParentMediaName).FirstOrDefault().Id, "Image", member.Id);
   newFile.SetValue("umbracoFile", mediaClass.file);
    ms.Save(newFile);
    return newFile.Id;
    //return the id of newly created image
}