1339_ownJournalScope = new JournalNavigationScope(this); 1365_ownJournalScope = null;

439Debug.Assert(_ownJournalScope != null); 451Debug.Assert(_ownJournalScope == null); 618Debug.Assert(sender == this && _ownJournalScope != null); 619e.CanExecute = _ownJournalScope.CanGoBack; 624Debug.Assert(sender == this && _ownJournalScope != null); 625_ownJournalScope.GoBack(); 631Debug.Assert(sender == this && _ownJournalScope != null); 632e.CanExecute = _ownJournalScope.CanGoForward; 637Debug.Assert(sender == this && _ownJournalScope != null); 638_ownJournalScope.GoForward(); 644Debug.Assert(sender == this && _ownJournalScope != null); 653if (_ownJournalScope.NavigateToEntry(je)) 663Debug.Assert(sender == this && _ownJournalScope != null); 668Debug.Assert(sender == this && _ownJournalScope != null); 675Debug.Assert(sender == this && _ownJournalScope != null); 676_ownJournalScope.StopLoading(); 782Invariant.Assert(_ownJournalScope != null ^ _journalOwnership != JournalOwnership.OwnsJournal); 784if (_ownJournalScope != null) 785return _ownJournalScope; 798return _ownJournalScope; 810bool canGoFwd = _ownJournalScope != null && _ownJournalScope.CanGoForward; 825bool canGoBack = _ownJournalScope != null && _ownJournalScope.CanGoBack; 850if (_ownJournalScope == null) 852return _ownJournalScope.RemoveBackEntry(); 924if (_ownJournalScope == null) 926_ownJournalScope.GoForward(); 938if(_ownJournalScope == null) 940_ownJournalScope.GoBack(); 984IEnumerable backStack = _ownJournalScope == null ? null : _ownJournalScope.BackStack; 996IEnumerable fwdStack = _ownJournalScope == null ? null : _ownJournalScope.ForwardStack; 1159Debug.Assert(GetValue(BackStackProperty) == _ownJournalScope.BackStack); 1231if (_ownJournalScope != null) 1236state.Journal = _ownJournalScope.Journal; 1256_ownJournalScope.Journal = state.Journal; 1277if (_ownJournalScope != null) 1282_ownJournalScope.EnsureJournal(); 1329Debug.Assert(_ownJournalScope == null ^ _journalOwnership == JournalOwnership.OwnsJournal); 1330if (_ownJournalScope == null) 1347_ownJournalScope.EnsureJournal(); 1362Debug.Assert(_ownJournalScope == null ^ _journalOwnership == JournalOwnership.OwnsJournal); 1363if (_ownJournalScope != null)