https://www.dotnetzone.gr:443/cs/blogs/birbilis/archive/2012/06/20/howto-set-ui-language-currentuiculture-in-silverlight.aspxAt LvS (the opensource application of LeViS), I’ve been using this (VB.net) code to set the UI language (for example to Greek): Thread.CurrentThread.CurrentUICulture = CultureInfo.GetCultureInfo("el") Others seem to have been using (C# – that’selCommunityServer 2.1 SP3 (Build: 20423.1)