try
{
//进程任务调度
using (Process myProcess = new Process())
{
List<Task> TaskList = new List<Task>();
Task task1 = new Task(() =>
{
    Task.Delay(TimeSpan.FromSeconds(4));
    var processName = "C:\\Users\\shil\\AppData\\Local\\Postman\\Postman.exe";
    RunProcess(processName);
});
Task task2 = new Task(() =>
{
    Task.Delay(TimeSpan.FromSeconds(3));
    var processName = "C:\\Program Files (x86)\\Tencent\\QQ\\Bin\\QQScLauncher.exe";
    RunProcess(processName);
});
Task task3 = new Task(() =>
{
    Thread.Sleep(200);
    Console.WriteLine("task3");
});
Task task4 = new Task(() =>
{
    Thread.Sleep(100);
    Console.WriteLine("task4");
});

TaskList.Add(task1);
TaskList.Add(task2);
TaskList.Add(task3);
TaskList.Add(task4);

foreach (Task task in TaskList)
{
    task.Start();
    task.Wait();
}


        //终止
        //KillProcess("Postman");
    }
}
catch (Exception e)
{
    Console.WriteLine(e.Message);
}

void RunProcess(string processName)
{
    Process myProcess = new Process();
    //进程创建,执行 
    myProcess.StartInfo.UseShellExecute = false;
    // You can start any process, HelloWorld is a do-nothing example.
    myProcess.StartInfo.FileName = processName;
    myProcess.StartInfo.CreateNoWindow = true;
    myProcess.Start();

}


void KillProcess(string processName)
{
    //进程关闭
    Process[] myproc = Process.GetProcesses();
    foreach (Process item in myproc)
    {
        if (item.ProcessName == processName)
        {
            item.Kill();
            item.WaitForExit(); // possibly with a timeout
        }
    }

}

12-18 05:54