Code:
/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Framework / MS / Internal / documents / Application / DocumentApplicationJournalEntry.cs / 1 / 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 - [....] 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
- MessageAction.cs
- CheckBox.cs
- PolicyManager.cs
- FixedSOMFixedBlock.cs
- EntityDataSourceWizardForm.cs
- XmlDataCollection.cs
- SchemaImporter.cs
- SafeProcessHandle.cs
- AutomationPeer.cs
- AspCompat.cs
- DiagnosticEventProvider.cs
- PaintValueEventArgs.cs
- ActiveXHelper.cs
- XmlSchemaSimpleTypeList.cs
- CodeCastExpression.cs
- CommentEmitter.cs
- SqlNodeAnnotation.cs
- QuestionEventArgs.cs
- IISUnsafeMethods.cs
- FunctionNode.cs
- ComEventsSink.cs
- IntegerValidator.cs
- ThicknessAnimation.cs
- SettingsPropertyWrongTypeException.cs
- HttpResponseHeader.cs
- QilXmlReader.cs
- MenuItem.cs
- QilUnary.cs
- ProfileManager.cs
- BuildProvider.cs
- HierarchicalDataSourceControl.cs
- QilTernary.cs
- WebRequestModuleElement.cs
- PointAnimationBase.cs
- SeparatorAutomationPeer.cs
- nulltextnavigator.cs
- Invariant.cs
- PropertyPushdownHelper.cs
- BlurBitmapEffect.cs
- MemberJoinTreeNode.cs
- Internal.cs
- FlowLayoutSettings.cs
- SpeakInfo.cs
- CatalogPartChrome.cs
- RuntimeArgument.cs
- AppDomain.cs
- SqlDataSourceSelectingEventArgs.cs
- WebPartConnectionsCancelVerb.cs
- BaseTemplateParser.cs
- ScrollPattern.cs
- InvokeMemberBinder.cs
- SchemaType.cs
- NoneExcludedImageIndexConverter.cs
- PropertyGridCommands.cs
- WorkflowOperationBehavior.cs
- ObjectParameterCollection.cs
- OperationAbortedException.cs
- SerializationHelper.cs
- UrlPath.cs
- FastEncoder.cs
- ValidationManager.cs
- StatusBar.cs
- NamedPipeHostedTransportConfiguration.cs
- MsmqIntegrationOutputChannel.cs
- SmtpFailedRecipientException.cs
- IConvertible.cs
- ProxySimple.cs
- Query.cs
- PrintingPermission.cs
- GorillaCodec.cs
- SubclassTypeValidator.cs
- SamlAdvice.cs
- SQLDateTime.cs
- SqlOuterApplyReducer.cs
- VectorValueSerializer.cs
- GC.cs
- ConfigurationManager.cs
- NativeMethods.cs
- ServiceReference.cs
- GridViewRowPresenterBase.cs
- XmlSchemaProviderAttribute.cs
- XmlCharType.cs
- HtmlInputFile.cs
- ThreadInterruptedException.cs
- BamlTreeNode.cs
- SR.cs
- WindowsSpinner.cs
- UnsafeNativeMethods.cs
- Select.cs
- LineGeometry.cs
- EntityDataSourceReferenceGroup.cs
- XsdValidatingReader.cs
- DataGridViewComboBoxColumn.cs
- SoapInteropTypes.cs
- SingleObjectCollection.cs
- GrammarBuilderDictation.cs
- _WebProxyDataBuilder.cs
- BinHexDecoder.cs
- BulletDecorator.cs
- MinimizableAttributeTypeConverter.cs