class Program     {         static void Main(string[] args)         {             bool isBreak = false;             ConsoleColor colorBack = Console.BackgroundColor;             ConsoleColor colorFore = Console.ForegroundColor;

            //第一行資訊             Console.WriteLine("*********** jinjazz now working...******");

            //第二行繪製進度條背景             Console.BackgroundColor = ConsoleColor.DarkCyan;             for (int i = 0; ++i <= 25; )             {                 Console.Write(" ");             }             Console.WriteLine(" ");             Console.BackgroundColor = colorBack;

            //第三行輸出進度             Console.WriteLine("0%");             //第四行輸出提示,按下回車可以取消當前進度             Console.WriteLine("<Press Enter To Break.>");

            //-----------------------上面繪製了一個完整的工作區域,下面開始工作

            //開始控制進度條和進度變化             for (int i = 0; ++i <= 100; )             {                 //先檢查是否有按鍵請求,如果有,判斷是否為回車鍵,如果是則退出迴圈                 if (Console.KeyAvailable && System.Console.ReadKey(true).Key == ConsoleKey.Enter)                 {                     isBreak = true;                     break;                 }                 //繪製進度條進度                 Console.BackgroundColor = ConsoleColor.Yellow;//設定進度條顏色                 Console.SetCursorPosition(i / 4, 1);//設定游標位置,引數為第幾列和第幾行                 Console.Write(" ");//移動進度條                 Console.BackgroundColor = colorBack;//恢復輸出顏色                 //更新進度百分比,原理同上.                 Console.ForegroundColor = ConsoleColor.Green;                 Console.SetCursorPosition(0, 2);                 Console.Write("{0}%", i);                 Console.ForegroundColor = colorFore;                 //模擬實際工作中的延遲,否則進度太快                 System.Threading.Thread.Sleep(100);             }             //工作完成,根據實際情況輸出資訊,而且清楚提示退出的資訊             Console.SetCursorPosition(0, 3);             Console.Write(isBreak ? "break!!!" : "finished.");             Console.WriteLine(" ");             //等待退出             Console.ReadKey(true);         }     }