程序代码：

  private void buttonLook_Click(object sender, EventArgs e)
        {
            listBox1.Items.Clear();
            Process[] processes;
            processes = Process.GetProcesses();
            foreach (Process p in processes)
            {
                if (p.ProcessName != "Idle")
                {
                   this.listBox1.Items.Add(string.Format("{0,-30}{1:H:m:s}", p.ProcessName, p.StartTime));
                    //this.listBox1.Items.Add(string.Format("{0:d}" ,p.ProcessName, p.StartTime));
                   //this.listBox1.Items.Add( string.Format("{0} - {1}", p.ProcessName, p.StartTime.ToString("l:h:m:s")));

                }
            }
        }