AnalysisImageClick.HookTools.getPressChar C# (CSharp) Method

        public static string getPressChar(char c)
        {
            int k = (int)c;
            string chr = c.ToString().ToUpper();
            if (k == 13) return "ENTER";
            else if (k == 27) return "ESC";
            else if (k == 8) return "BACKSPACE";
            else if (k >= 48 && k <= 57) return chr;
            else if (k >= 65 && k <= 90) return chr;
            else if (k >= 97 && k <= 122) return chr;
            else if (k == 209 || k == 241) return chr;
            return string.Empty;
        }