观看另一个应用程序，如果它关闭关闭我的应用程序（不轮询）c＃

Process[] processes = Process.GetProcessesByName("notepad");
if (processes.Length > 0)
{
  processes[0].WaitForExit();
}

public static class ProcessMonitor
{
  public static event EventHandler ProcessClosed;

  public static void MonitorForExit(Process process)
  {
    Thread thread = new Thread(() =>
    {
      process.WaitForExit();
      OnProcessClosed(EventArgs.Empty);
    });
    thread.Start();      
  }

  private static void OnProcessClosed(EventArgs e)
  {
    if (ProcessClosed != null)
    {
      ProcessClosed(null, e);
    }
  }
}

static void Main(string[] args)
{
  // Wire up the event handler for the ProcessClosed event
  ProcessMonitor.ProcessClosed += new EventHandler((s,e) =>
  {
    Console.WriteLine("Process Closed");
  });

  Process[] processes = Process.GetProcessesByName("notepad");
  if (processes.Length > 0)
  {
    ProcessMonitor.MonitorForExit(processes[0]);
  }
  else
  {
    Console.WriteLine("Process not running");        
  }
  Console.ReadKey(true);
}