Callisto is a library for use in Windows 8 XAML applications (Metro style apps). The XAML framework in Windows.UI.Xaml is great, but has some functionality that isn’t provided in-the-box in a few controls and APIs. Callisto serves to provided added functionality on top of the XAML UI framework for Windows.
What’s In It?
So far Callisto includes:
Flyout – a primitive that includes positioning and ‘light dismiss’ logic
Menu – primarily to be used from AppBar, contains the base for providing, well, a Menu
MenuItem – an item for a menu, including separators and contains the command point for the menu item
SettingsFlyout – an item to create a custom settings pane UI
LiveTile – an in-app tile experience to give you animated or ‘live’ tiles
Tilt – an effect to provide the tilt experience when clicked on edges/corners
OAuth helpers – a set of helpers to create OAuth 1.0 signatures/headers for those sites that hate OAuth 2.0 Metro
BooleanToVisibilityConverter – a converter to well, convert boolean to visibility, very common use
LengthToBooleanConverter – a converter to examine a string length to convert to boolean (simple validation helper)
RelativeTimeConverter – a converter to show time as relative string, i.e., ‘about an hour ago’
Extensions – some extension method helpers
So if you need some of this functionalities check it out on
Download it from here