using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace CSharpFlags
{
	[FlagsAttribute]
	enum MyBitField : short
	{
		Player = 1,
		Enemy = 2,
		Bullet = 4,
		Trigger = 8,
		Wall = 16
	};

	public partial class Form1 : Form
	{
		MyBitField myValue = 0;

		public Form1() {
			InitializeComponent();

			Array values = Enum.GetValues(typeof(MyBitField));

			int idx = 0;
			foreach (MyBitField val in values) {

				var name = Enum.GetName(typeof(MyBitField), val);

				var checkBox = new System.Windows.Forms.CheckBox();
				checkBox.AutoSize = true;
				checkBox.Location = new System.Drawing.Point(40, 60 + 20 * idx);
				checkBox.Name = "bit_" + name;
				checkBox.Size = new System.Drawing.Size(80, 17);
				checkBox.Text = name;
				checkBox.UseVisualStyleBackColor = true;
				this.Controls.Add(checkBox);

				var myVal = val;

				checkBox.CheckedChanged += new System.EventHandler((sender, evt) => {
					if (checkBox.Checked) {
						myValue |= myVal;
					} else {
						myValue &= ~myVal;
					}
					updateValue();
				});

				idx++;
			}

			updateValue();
		}

		private void updateValue() {
			this.textBox1.Text = ((int)(myValue)).ToString();
		}
	}
}