Subtext.Web.Controls.Captcha.CaptchaInfo.RandomFontFamily C# (CSharp) Method

        private static string RandomFontFamily()
        {
            InstalledFontCollection collection1 = new InstalledFontCollection();
            FontFamily[] familyArray1 = collection1.Families;
            string fontFamily = "bogus";
            while (goodFontList.IndexOf(fontFamily) == -1)
            {
                fontFamily = familyArray1[random.Next(0, collection1.Families.Length)].Name.ToLower();
            }
            return fontFamily;
        }