appnotify.h header

This header is used by The Windows Shell. For more information, see:

• The Windows Shell

appnotify.h contains the following programming interfaces:

Functions

RegisterAppStateChangeNotification Enables an app to register a callback function through which it can be notified that its library is going into or coming out of a suspended state.
UnregisterAppStateChangeNotification Cancels a change notification registered through RegisterAppStateChangeNotification.

Callback functions

PAPPSTATE_CHANGE_ROUTINE Specifies an app-defined callback function that notifies the app when the app is entering or leaving a suspended state.