load font from ressource

public Font LoadFont(Assembly a, string resource)
        {
            string[] names = a.GetManifestResourceNames();
            Stream fontStream = a.GetManifestResourceStream(resource);
            System.IntPtr data = Marshal.AllocCoTaskMem((int)fontStream.Length);
            byte[] fontdata = new byte[fontStream.Length];
            fontStream.Read(fontdata, 0, (int)fontStream.Length);
            Marshal.Copy(fontdata, 0, data, (int)fontStream.Length);
            myFonts.AddMemoryFont(data, (int)fontStream.Length);
            fontStream.Close();
            Marshal.FreeCoTaskMem(data);
            return new Font(myFonts.Families[0], fontSize);
        }