You are developing a Windows Store app.
You must create a custom soft input panel (SIP).
You need to animate the input panel with Show/Hide animations.
Which transition class should you use?

A.
EntranceThemeTransition

B.
EdgeUIThemeTransition

C.
PaneThemeTransition

D.
AddDeleteThemeTransition

Explanation:
http://msdn.microsoft.com/en-us/library/windows/apps/xaml/jj649428.aspx