GdkDisplayManager: GdkDisplayManager
Description
Maintains a list of all open sHierarchy
\link{GObject}
+----GdkDisplayManagerDetailed Description
The purpose of the GdkDisplayManager
singleton object is to offer
notification when displays appear or disappear or the default display
changes.References
http://developer.gnome.org/doc/API/2.0/gdk/GdkDisplayManager.html