Read original post by David Catuhe at Eternal Coding
As we saw in a previous post (http://blogs.msdn.com/b/eternalcoding/archive/2012/07/03/tips-and-tricks-for-c-metro-developers-the-flyout-control.aspx) it is really easy to create a flyout control.
But if this control is used to type text, you must consider handling the virtual keyboard in order to move your flyout so that it can always be visible [...]