gnome-sharp 2.20.0.0 2.24.0.0 Gtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details. System.Delegate `` `` `` System.Void The instance doing the interaction. A unique key. The that should be used to do the interaction. Used when the wishes to interact with the user at the session manager's convenience (usually during shutdown and restarts).

All other s are blocked from interacting with the user until the key is released via a call to .

Although the function is not obliged to respect the passed in , it is bad form not to do so.