Read original post by Peter Foot at AppaMundi
The Charming libraries for Windows Phone are a set of (currently) six components for Windows Phone development with the mission of providing more code consistency with Windows 8. Following on from the NFC component, this post will cover its cousin the Share component.
Windows Phone provides a number of classes in the Windows.ApplicationModel.DataTransfer namespace but there is no Share charm or sharing functionality here. The Charming Share library replicates this functionality with a sharing component which can be called in the same way as on Windows 8 and yet exposes the various platform sharing mechanisms. Because this is not an OS feature it is not possible to create share targets and share data with other apps. I am looking at the possibility of making the providers extensible so that you can add items to the list of targets.