Listens for notifications of changes in the Windows Shell Namespace.
Inheritance: System.ComponentModel.Component
            public NotificationWindow(ShellNotificationListener parent)
            {
                SHChangeNotifyEntry notify = new SHChangeNotifyEntry();

                notify.pidl       = ShellItem.Desktop.Pidl;
                notify.fRecursive = true;
                m_NotifyId        = Shell32.SHChangeNotifyRegister(this.Handle,
                                                                   SHCNRF.InterruptLevel | SHCNRF.ShellLevel,
                                                                   SHCNE.ALLEVENTS, WM_SHNOTIFY, 1, ref notify);
                m_Parent = parent;
            }
			public NotificationWindow(ShellNotificationListener parent) {
				SHChangeNotifyEntry notify = new SHChangeNotifyEntry();
				notify.pidl = ShellItem.Desktop.Pidl;
				notify.fRecursive = true;
				m_NotifyId = Shell32.SHChangeNotifyRegister(this.Handle,
					SHCNRF.InterruptLevel | SHCNRF.ShellLevel,
					SHCNE.ALLEVENTS, WM_SHNOTIFY, 1, ref notify);
				m_Parent = parent;
			}