ToolWindowPane: how to block resize by user?

Hi,

I have build my custom ToolWindowPane to be included into a VS2010 vsix package. I have set a starting width and height of the Frame of this Pane following the hints of this thread: 

http://social.msdn.microsoft.com/forums/en-us/vsx/thread/84DBAE91-EE69-4081-B18A-5E3C37C1246F

Now I want to block the user to resize it.

I've tried to make a hack with the DTE, but with no luck.

For reference, my code is:

[Guid("6bb45379-c366-4c6e-9c43-51cb667ff402")]
public class TestWindow : ToolWindowPane
{
  private EnvDTE.WindowEvents WindowEvents { get; set; }  
 // ...
 // constructor and initialize() method
 // ...

  public override void OnToolWindowCreated()
  {
     base.OnToolWindowCreated();

     // set startup size
     SetThisWindowSize(585, 672);
            
     // block user resizing
     EnvDTE.DTE dte = EnvDTE.DTE)GetService(typeof(EnvDTE.DTE));
     EnvDTE80.Events2 events = (EnvDTE80.Events2)dte.Events;
     this.WindowEvents = (EnvDTE.WindowEvents)events.get_WindowEvents(null);
     this.WindowEvents.WindowMoved += new EnvDTE._dispWindowEvents_WindowMovedEventHandler(ResetTheSize);
   }
   private void SetThisWindowSize(int width, int height)
   {
     IVsWindowFrame w = (IVsWindowFrame)s_instance.Frame;
     Guid m = Guid.Empty;
     w.SetFramePos(VSSETFRAMEPOS.SFP_fSize, ref m, 0, 0, width, height);
   }
   void ResetTheSize(EnvDTE.Window Window, int Top, int Left, int Width, int Height)
   {
      if (Window.ObjectKind.ToLower().CompareTo("{6bb45379-c366-4c6e-9c43-51cb667ff402}") != 0)
         return;

      if ((Width != 585) || (Height != 672))
        SetThisWindowSize(585, 672);
   }
  }
}

Any hints??

Thanks and Regards,

Matteo