1、目标
对两个字节进行比较，统计变化位数、一位发生变化的位数、二位发生变化的位数、多位发生变化的位数。
2、代码

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace ReverseStatisticsApp
{
    public partial class Form1 : Form
    {
        //统计数据
        int[] statisticsBits = new int[4];
        /// <summary>
        /// 构造函数
        /// </summary>
        public Form1()
        {
            InitializeComponent();
        }
        /// <summary>
        /// 开始统计
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button1_Click(object sender, EventArgs e)
        {

            byte source=Convert.ToByte("0x"+textBox1.Text.Trim(),16);
            byte dest = Convert.ToByte("0x" + textBox2.Text.Trim(), 16);
            for(int i = 0; i < 4; i++)
            {
                statisticsBits[i] = 0;
            }
            
            ByteBitCompare(source, dest,ref statisticsBits);
            label3.Text = $"变化位数：{statisticsBits[0]},一位变化：{statisticsBits[1]},二位变化：{statisticsBits[2]},多位变化：{statisticsBits[3]}";
        }
        /// <summary>
        /// 位统计
        /// </summary>
        /// <param name="continueBits"></param>
        /// <param name="statisticsBits"></param>
        public static void BitStatistics(int continueBits, ref int[] statisticsBits)
        {
            if (continueBits == 1)
            {
                statisticsBits[1]++;
            }
            else if (continueBits == 2)
            {
                statisticsBits[2]++;
            }
            else
            {
                statisticsBits[3]++;
            }  
        }
        /// <summary>
        /// 字节位比较
        /// </summary>
        /// <param name="sample"></param>
        /// <param name="data"></param>
        /// <param name="statisticsBits"></param>
        public static void ByteBitCompare(byte sample, byte data,ref int[] statisticsBits)
        {
            int tempCount = 0;
            int temp = sample ^ data;
            for (int i = 0; i < 8; i++)
            {
                if ((temp & 0x01) > 0)
                {
                    tempCount++;
                    statisticsBits[0]++;
                }
                else
                {
                    if (tempCount > 0)
                    {
                        BitStatistics(tempCount, ref statisticsBits);
                        tempCount = 0;
                    }    
                }
                temp = temp >> 1;
            }
            if (tempCount > 0)
            {
                BitStatistics(tempCount, ref statisticsBits);
            }
        }
    }
}

3、运行效果