if (Debugger.IsAttached)//判断是否调试编译，是的话则将当前年月日写入文件

             {

                 using (FileStream file = new FileStream(Application.StartupPath + "\\version", FileMode.OpenOrCreate))

                 {

                     byte[] data = Encoding.Default.GetBytes(DateTime.Now.Year + "" + DateTime.Now.Month.ToString("") + "" + DateTime.Now.Day.ToString(""));

                     file.Write(data, , data.Length);

                 }

             }

             //每次打开窗体时，获取version文件版本号，显示到程序窗口

             using (FileStream file = new FileStream(Application.StartupPath + "\\version", FileMode.OpenOrCreate))

             {

                 byte[] byData = new byte[];

                 file.Seek(, SeekOrigin.Begin);

                 file.Read(byData, , );

                 string a = " V" + Encoding.Default.GetString(byData).Trim('\0');

                 this.Text += a;

             }