title: How to remove focus from a single control?
body: <p>In my C# WinForms program, I have a form that has only a single Button control on it.
  By default, that Button control receives the focus on the form. But I don't want the Button to ever get focus.</p>
  
  <p>Is there a solution, even one that would require a call to an unmanaged API?</p>