實值型別與參考型別(Enum)

 https://ithelp.ithome.com.tw/articles/10223905

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.Windows.Forms;

namespace WindowsFormsApp4

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

        private void button1_Click(object sender, EventArgs e)

        {

            Person person1 = new Person();

            label1.Text = person1.Move(Direction.Right);

            //可由下來判斷Direction.Right為Direction的Type

            //label1.Text = ((Direction.Down).GetType()).ToString();

            //////////////////////////////////////////////////////////

            //Type t = typeof(Direction);

            //label1.Text = t.Name;

            //int i = 10;

            //label1.Text = (i.GetType()).ToString();

        }

    }

}

using System;

using System.Collections.Generic;

using System.Text;

namespace WindowsFormsApp4

{

    enum Direction

    {

        Up,Down,Left,Right,

    }

}

using System;

using System.Collections.Generic;

using System.Text;

namespace WindowsFormsApp4

{

    class Person

    {

        public string Move(Direction direction)

        {

            switch (direction)

            {

                case Direction.Up:

                    return "向上走一步";

                case Direction.Down:

                    return "向下走一步";

                case Direction.Left:

                    return "向左走一步";

                case Direction.Right:

                    return "向右走一步";

                default:

                    return "原地";

            }

        }

    }

}