Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Framework / MS / Internal / documents / Application / DocumentApplicationJournalEntry.cs / 1305600 / DocumentApplicationJournalEntry.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // Description: Attached to custom journal entries created for changes in the DocumentApplication's // UI state. // // History: // 06/24/2005 - JeremyNS created // //--------------------------------------------------------------------------- using System; using System.Runtime.Serialization; using System.Security; using System.Security.Permissions; using System.Diagnostics; using System.Windows; using System.Windows.Documents; using System.Windows.Navigation; using System.Windows.Controls; namespace MS.Internal.Documents.Application { ////// DocumentApplicationJournalEntry is not a real journal entry, just the CustomContentState /// attached to one. It wraps a DocumentApplicationState object, which is the actual view state. /// The split is needed because PresentationUI cannot access internal Framework classes and methods. /// [Serializable] internal sealed class DocumentApplicationJournalEntry : System.Windows.Navigation.CustomContentState { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- ////// Constructs a DocumentApplicationJournalEntry /// /// State of the DocumentApplication to journal /// Name of the journal entry to display in the UI. /// If this is null it will default to the URI source. public DocumentApplicationJournalEntry(object state, string name) { Invariant.Assert(state is DocumentApplicationState, "state should be of type DocumentApplicationState"); // Store parameters locally. _state = state; _displayName = name; } public DocumentApplicationJournalEntry(object state): this(state, null) { } //------------------------------------------------------ // // Public Methods // //----------------------------------------------------- ////// Used to reset the UI to state of this entry /// /// NavigationService currently running /// Navigation direction ////// Critical: set_StoredDocumentApplicationState is defined in a non-APTCA assembly. /// TreatAsSafe: call to set_StoredDocumentApplicationState does not entail any risk. /// [SecurityCritical, SecurityTreatAsSafe] public override void Replay(NavigationService navigationService, NavigationMode mode) { ContentControl navigator = (ContentControl)navigationService.INavigatorHost; // Find a reference to the DocumentViewer hosted in the NavigationWindow // On initial history navigation in the browser, the window's layout may not have been // done yet. ApplyTemplate() causes the viewer to be created. navigator.ApplyTemplate(); DocumentApplicationDocumentViewer docViewer = navigator.Template.FindName( "PUIDocumentApplicationDocumentViewer", navigator) as DocumentApplicationDocumentViewer; Debug.Assert(docViewer != null, "PUIDocumentApplicationDocumentViewer not found."); if (docViewer != null) { // Set the new state on the DocumentViewer if (_state is DocumentApplicationState) { docViewer.StoredDocumentApplicationState = (DocumentApplicationState)_state; } // Check that a Document exists. if (navigationService.Content != null) { IDocumentPaginatorSource document = navigationService.Content as IDocumentPaginatorSource; // If the document has already been paginated (could happen in the // case of a fragment navigation), then set the DocumentViewer to the // new state that was set. if ((document != null) && (document.DocumentPaginator.IsPageCountValid)) { docViewer.SetUIToStoredState(); } } } } public override string JournalEntryName { get { return _displayName; } } //------------------------------------------------------ // // Private Fields. // //------------------------------------------------------ // The DocumentApplicationState has been weakly-typed to avoid PresentationFramework // having a type dependency on PresentationUI. The perf impact of the weak // typed variables in this case was determined to be much less than forcing the load // of a new assembly when Assembly.GetTypes was called on PresentationFramework. private object _state; // DocumentApplicationState private string _displayName; } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- ResXResourceReader.cs
- HTMLTextWriter.cs
- XmlnsDictionary.cs
- DataServiceEntityAttribute.cs
- ScrollProviderWrapper.cs
- TableRow.cs
- LicenseContext.cs
- FormatConvertedBitmap.cs
- DefaultTextStore.cs
- SystemException.cs
- WebAdminConfigurationHelper.cs
- AppDomainFactory.cs
- ConnectionInterfaceCollection.cs
- ImageProxy.cs
- ReaderOutput.cs
- ListViewUpdatedEventArgs.cs
- VisualStyleInformation.cs
- DocumentReference.cs
- TagMapCollection.cs
- SettingsSection.cs
- CompressionTransform.cs
- RecordManager.cs
- MultipartIdentifier.cs
- UnitySerializationHolder.cs
- SerializationStore.cs
- AssemblySettingAttributes.cs
- EndpointIdentity.cs
- LinqMaximalSubtreeNominator.cs
- PasswordDeriveBytes.cs
- CodeDelegateInvokeExpression.cs
- EntityClassGenerator.cs
- HttpStreamXmlDictionaryWriter.cs
- RequestCacheEntry.cs
- Automation.cs
- ToolStripItemRenderEventArgs.cs
- SQLBoolean.cs
- UpdatePanelTriggerCollection.cs
- OrthographicCamera.cs
- EdmScalarPropertyAttribute.cs
- Pen.cs
- UrlMapping.cs
- Relationship.cs
- CultureInfo.cs
- ListViewGroup.cs
- EventLogConfiguration.cs
- Scanner.cs
- COM2ColorConverter.cs
- DataSourceXmlSerializationAttribute.cs
- Decoder.cs
- ClickablePoint.cs
- StylusButtonCollection.cs
- UserPreferenceChangedEventArgs.cs
- DeleteStoreRequest.cs
- AnimationException.cs
- Rectangle.cs
- ConfigurationLockCollection.cs
- SingleObjectCollection.cs
- PropertyGridCommands.cs
- ISessionStateStore.cs
- ToolStripDropDownClosingEventArgs.cs
- XmlSchemaAttribute.cs
- PrivateFontCollection.cs
- Exceptions.cs
- SamlConstants.cs
- EventHandlersStore.cs
- Pen.cs
- SecurityTokenSerializer.cs
- ResponseStream.cs
- TraceLevelStore.cs
- UniqueEventHelper.cs
- CompositeClientFormatter.cs
- XmlEncodedRawTextWriter.cs
- ConfigurationPropertyAttribute.cs
- WindowsRichEditRange.cs
- ToolStripItemClickedEventArgs.cs
- SqlInternalConnectionSmi.cs
- AjaxFrameworkAssemblyAttribute.cs
- DoubleCollectionConverter.cs
- FormsAuthenticationEventArgs.cs
- StylusLogic.cs
- BufferAllocator.cs
- SHA384.cs
- UpdateRecord.cs
- SqlUtil.cs
- WriteableBitmap.cs
- Rfc2898DeriveBytes.cs
- ReturnEventArgs.cs
- XmlProcessingInstruction.cs
- HeaderedContentControl.cs
- RegexCaptureCollection.cs
- TagNameToTypeMapper.cs
- AsmxEndpointPickerExtension.cs
- FieldReference.cs
- StyleHelper.cs
- FontStretches.cs
- GroupItemAutomationPeer.cs
- PropertyGroupDescription.cs
- ShapeTypeface.cs
- HtmlInputRadioButton.cs
- HwndHostAutomationPeer.cs