ListView Empty Markup Text

protected override void WndProc(ref Message m) {
  try {
    if(m.Msg == 78 /* WM_NOTIFY */) {
      var nmhdr = (NMHDR)Marshal.PtrToStructure(m.LParam, typeof(NMHDR));
      if(nmhdr.code == -187 /* LVN_GETEMPTYMARKUP */) {
        var nmlvemptymarkup =
          (NMLVEMPTYMARKUP)Marshal.PtrToStructure(m.LParam, typeof(NMLVEMPTYMARKUP));
        nmlvemptymarkup.szMarkup = "The ListView is empty.";
        m.Result = (IntPtr)1;
      }
    }
  } finally {
    base.WndProc(ref m);
  }
}

listview_onPaint(object sender, eventargs e)
{
  if ( listview.items.count <= 0 )
  {
     e.graphics.drawstring("The Listview is empty"); //put all the proper args in here!
  }
}