title: StartInfo.WindowStyle = ProcessWindowStyle.Hidden is still not working
body: <pre><code>ProcessStartInfo proc = new ProcessStartInfo();
  proc.FileName = @"C:\\Windows\\System32\\RunDll32.exe";
  proc.Arguments = "shell32.dll,Control_RunDLL inetcpl.cpl,Internet,4";//open Internet Properties window
  proc.WindowStyle = ProcessWindowStyle.Hidden;
  proc.UseShellExecute = false;
  proc.CreateNoWindow = true;
  Process.Start(proc);
  SendKeys.Send("{TAB}{TAB}{TAB}{TAB}{ENTER}");// Open Lan Setting window
  </code></pre>
  
  <p>I've tried many way to hide/ close "Internet Properties window" and Lan Setting Window after it's called, but this code doesn't work.
  Help me !</p>