using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace BitConverter数据转换
{
  class Program
  {
    //排列格式，第一个变量占五个位置，第二个变量占17个位置，第三个变量占10个位置
    const string formatter = "{0,5}{1,17}{2,10}";
 
    // Convert two byte array elements to a ushort and display it.
    public static void BAToUInt16(byte[] bytes, int index)
    {
      //BitConverter用于基础数据跟字节数组相互转换
      //BitConverter.ToUInt16()方法将字节数组指定位置起的两个字节转换为无符号整数
      ushort value = BitConverter.ToUInt16(bytes, index);
      //BitConverter.ToString()字节数组转换为十六进制的字符串形式
      Console.WriteLine(formatter, index,
        BitConverter.ToString(bytes, index, 2), value);
    }
    static void Main(string[] args)
    {
      byte[] byteArray = {
      15, 0, 0, 255, 3, 16, 39, 255, 255, 127 };
      Console.WriteLine(
        "This example of the BitConverter.ToUInt16( byte[ ], " +
        "int ) \nmethod generates the following output. It " +
        "converts elements \nof a byte array to ushort values.\n");
      Console.WriteLine("initial byte array");
      Console.WriteLine("------------------");
      Console.WriteLine(BitConverter.ToString(byteArray));
      Console.WriteLine();
      Console.WriteLine(formatter, "index", "array elements",
        "ushort");
      Console.WriteLine(formatter, "-----", "--------------",
        "------");
      // Convert byte array elements to ushort values.
      BAToUInt16(byteArray, 1);
      BAToUInt16(byteArray, 0);
      BAToUInt16(byteArray, 3);
      BAToUInt16(byteArray, 5);
      BAToUInt16(byteArray, 8);
      BAToUInt16(byteArray, 7);
      Console.ReadKey();
    }
  }
}