RibbonToolTip toolTip1 = new RibbonToolTip()
                                         {
                                             Title = "This is important button1",
                                             ExpandedContent = "Here you can see swf video",
                                             ExpandedVideo = new Uri(@"c:\Program Files\Autodesk\Revit Structure 2013\Program\videos\GUID-2CFC667E-6170-4A91-8AF9-98ECF78C4502-low.swf"),
                                             ExpandedImage =
                                                 BitmapSourceConverter.ConvertFromImage(Resources.logoITC_16)
                                         };