XblPresenceAddDevicePresenceChangedHandler
Registers an event handler for device presence change notifications. Notifications will only be received for the Users configured with XblPresenceTrackUsers.Syntax
Parameters
xblContextHandle _In_Type: XblContextHandle XBOX live context for the local user. handler _In_
Type: XblPresenceDevicePresenceChangedHandler* The callback function that receives notifications. context _In_opt_
Type: void* Caller context that will be passed back to the handler.
