title: How to remove frame (or border?) form a GtkScrolledWindow
body: <p>How I can remove the frame (or the border if it is...) of a GtkScrolledWindow (gtk#)?
  Use of <code>window.ShadowType = ShadowType.None;</code> don't work, <code>window.BorderWidth=0;</code> don't work...</p>
  
  <p>Thanks for help!</p>