private static void LoadFonts(FontManager fontManager) { byte[] ReadAllBytes(Stream s) { using (var ms = new MemoryStream()) { s.CopyTo(ms); return(ms.ToArray()); } } var assembly = typeof(Application).Assembly; var fontData = ReadAllBytes(assembly.GetManifestResourceStream("Fonts.DDin")); var font = new Font(fontData); fontManager.AddFontFace(font.FontFaces[0], "D-DIN", FontStyle.Normal, 300); }