class Program

    {

        static void Main(string[] args)

        {

            Color color = Color.Red;

            Console.WriteLine(color.ToString());

            Console.WriteLine(color.ToString("G"));//Red

            Console.WriteLine(color.ToString("D"));//十进制数值

            Console.WriteLine(color.ToString("X"));//十六进制

            Console.WriteLine(Enum.Format(typeof(Color),,"G"));

            Console.WriteLine(Enum.Format(typeof(Color), Color.Red, "G"));

            //获取枚举的数组单个类型为Color

            Color[] colors = (Color[])Enum.GetValues(typeof(Color));

            foreach (var item in colors)

            {

                Console.WriteLine("{0,5:D}\t{0:G}",item);

            }

            //获取枚举的对象的字符串

            string[] names = Enum.GetNames(typeof(Color));

            foreach (var item in names)

            {

                Console.WriteLine("{0,5:D}\t{0:G}", item);

            }

            //使用Parse将符号转化成Color类型,下面两种形式都可以

            //Color c = (Color)Enum.Parse(typeof(Color),"1");

            Color c = (Color)Enum.Parse(typeof(Color), "Red");

            Console.WriteLine(c.ToString());

            //用于参数验证,使用了反射机制

            bool isEnum = Enum.IsDefined(typeof(Color), );

            Console.WriteLine(isEnum);

            //将指定的值转化为枚举的枚举成员

            //Color r = (Color)Enum.ToObject(typeof(Color), 1);

            //如果枚举类型中没有的枚举成员，仍然不会报错，输出10

            Color r = (Color)Enum.ToObject(typeof(Color), );

            Console.WriteLine(r.ToString());

            Console.Read();

        }

    }

    //默认是从0开始赋值

    internal enum Color

    {

        White,

        Red,

        Green,

        Blue,

        Orange

    }