This issue is new to us so we would be grateful if you could provide the sample project for us to investigate further.
If I understood correctly the RadGanttView
is opened in another widow - how do you achieve that in Silverlight ( are you using RadWindow )?
Check out Telerik Analytics, the service which allows developers to discover app usage patterns, analyze user data, log exceptions, solve problems and profile application performance at run time. Watch the videos
and start improving your app based on facts, not hunches.