private const string FileName = "test.exe";        //进程名称不带扩展名        private const string ProcessName = "test";        /// 
        /// 打开进程        /// 
        ///         ///         public static void Open()        {            try            {                Process.Start(string.Format(@"{0}\{1}", Application.StartupPath, FileName));            }            catch (Exception ex)            {            }        }        /// 
        /// 关闭进程        /// 
        ///         ///         public static void Close()        {            try            {                //可能存在进程名相同的进程                foreach (Process process in Process.GetProcessesByName(ProcessName))                    process.Kill();            }            catch (Exception ex)            {            }        }