Increases the use count of application.
Use this function to indicate that the application has a reason to continue to run. For example, Application.hold is called by GTK+ when a toplevel window is on the screen.
To cancel the hold, call Application.release.
Increases the use count of application.
Use this function to indicate that the application has a reason to continue to run. For example, Application.hold is called by GTK+ when a toplevel window is on the screen.
To cancel the hold, call Application.release.