[tip] Showing the document version number on a Visio document
http://blogs.msdn.com/b/chhopkin/archive/2014/02/24/showing-the-document-version-number-on-a-visio-document.aspx?WT.mc_id=CIC_TWITTER_Outgoing%20-%20Visio%20Tips%20and%20Tricks_20140923_91148828_msvisio&linkId=9720862