Code
        private void btnStart_Click(object sender, EventArgs e)
        {
            btnEnd.Enabled = true;
            btnStart.Enabled = false;
            end = false;
            softStart = new Thread(StartSoft);//开启线程
            softStart.Start();
        }
        private void StartSoft()
        {
            while (!end)
            {
                //小时相等
                if (DateTime.Now.Hour == Hour)
                {
                    if (DateTime.Now.Minute == Min)
                    {
                        if (lbSofts.Items.Count > 0)
                        {
                            for (int i = 0; i < lbSofts.Items.Count; i++)
                            {
                                Process.Start(lbSofts.Items[i].ToString().Replace(@"\", @"\\"));
                            }
                            //停止运行
                            end = true;
                            //将停止设为不可用
                            SetButton();
                        }
                    }
                    else
                    {
                        Thread.Sleep(Math.Abs(Convert.ToInt32(Min) - DateTime.Now.Minute)*1000);
                    }
                }
                else
                {
                    Thread.Sleep((Math.Abs(Convert.ToInt32(Hour) - DateTime.Now.Hour) - 1)*60*1000);
                }
            }
        }