using System;  using System.Collections.Generic;  using System.Linq;  using System.Text;  namespace ConsoleApplication1  {      class Program      {          static void Main(string[] args)          {              bool isBreak = false;              ConsoleColor colorBack = Console.BackgroundColor;              ConsoleColor colorFore = Console.ForegroundColor;              //第一行信息                         Console.WriteLine("****** now working...******");              //第二行绘制进度条背景                         Console.BackgroundColor = ConsoleColor.DarkCyan;              for (int i = 0; ++i <= 25; )              {                  Console.Write(" ");              }              Console.WriteLine(" ");              Console.BackgroundColor = colorBack;              //第三行输出进度                         Console.WriteLine("0%");              //第四行输出提示,按下回车可以取消当前进度                         Console.WriteLine("<Press Enter To Break.>");              //-----------------------上面绘制了一个完整的工作区域,下面开始工作              //开始控制进度条和进度变化                         for (int i = 0; ++i <= 100; )              {                  //先检查是否有按键请求,如果有,判断是否为回车键,如果是则退出循环                                 if (Console.KeyAvailable && System.Console.ReadKey(true).Key == ConsoleKey.Enter)                  {                      isBreak = true; break;                  }                  //绘制进度条进度                                  Console.BackgroundColor = ConsoleColor.Yellow;//设置进度条颜色                                 Console.SetCursorPosition(i / 4, 1);//设置光标位置,参数为第几列和第几行                                 Console.Write(" ");//移动进度条                                 Console.BackgroundColor = colorBack;//恢复输出颜色                                 //更新进度百分比,原理同上.                                 Console.ForegroundColor = ConsoleColor.Green;                  Console.SetCursorPosition(0, 2);                  Console.Write("{0}%", i);                  Console.ForegroundColor = colorFore;                  //模拟实际工作中的延迟,否则进度太快                                 System.Threading.Thread.Sleep(100);              }              //工作完成,根据实际情况输出信息,而且清楚提示退出的信息                         Console.SetCursorPosition(0, 3);              Console.Write(isBreak ? "break!!!" : "finished.");              Console.WriteLine(" ");              //等待退出                         Console.ReadKey(true);          }      }  }