C#控制其它应用程序

private void button1_Click(object sender, EventArgs e)
{
     System.Diagnostics.Process.Start(@"C:\WINDOWS\NOTEPAD.EXE");
}

private void button2_Click(object sender, EventArgs e)
{
    System.Diagnostics.Process[] ps = System.Diagnostics.Process.GetProcesses();//获取所有进程
    foreach (System.Diagnostics.Process p in ps)
   {
      listBox1.Items.Add(p.ProcessName);
      if (p.ProcessName == "notepad")//如果是QQ播放器
  {

  p.Kill();
  }
}