title: How to remove 3d border (sunken) from MDIClient component in MDI parent form?
body: <p>I am developing WinForms MDI app in VS2010 (.NET 4.0) and I just hate 3D border in MDI parent form. </p>
  
  <p>So any ideas on how to remove it (make it flat or just no border it all) ?</p>