appnotify.h header

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

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.