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
- BStrWrapper.cs
- EntityDataSourceContainerNameItem.cs
- XslTransformFileEditor.cs
- XslTransform.cs
- ItemsControl.cs
- PreservationFileWriter.cs
- UnSafeCharBuffer.cs
- ChangePassword.cs
- MetadataUtilsSmi.cs
- ControlUtil.cs
- StringValidatorAttribute.cs
- StructuredProperty.cs
- TryExpression.cs
- SqlDataSourceEnumerator.cs
- DBSqlParserColumn.cs
- EncoderBestFitFallback.cs
- UpWmlMobileTextWriter.cs
- SqlFunctionAttribute.cs
- Attributes.cs
- EpmCustomContentSerializer.cs
- InputReport.cs
- DataContractSerializerElement.cs
- XmlTextReaderImplHelpers.cs
- DropDownList.cs
- XmlBinaryWriterSession.cs
- CLRBindingWorker.cs
- ItemPager.cs
- SQlBooleanStorage.cs
- Matrix.cs
- FileSecurity.cs
- ReadOnlyCollectionBase.cs
- WebEventTraceProvider.cs
- BinaryHeap.cs
- ExpressionBindingsDialog.cs
- PathSegmentCollection.cs
- AccessibleObject.cs
- DataRow.cs
- CodeExporter.cs
- PathGeometry.cs
- ListViewCancelEventArgs.cs
- _RegBlobWebProxyDataBuilder.cs
- TableMethodGenerator.cs
- X509CertificateStore.cs
- XmlHierarchyData.cs
- CodeSubDirectoriesCollection.cs
- CheckPair.cs
- DSACryptoServiceProvider.cs
- Utility.cs
- PointCollection.cs
- AnnotationResourceCollection.cs
- AutomationAttributeInfo.cs
- Renderer.cs
- Publisher.cs
- MergeFilterQuery.cs
- ListSortDescriptionCollection.cs
- InfoCardRSAPKCS1KeyExchangeDeformatter.cs
- TextSerializer.cs
- RootBuilder.cs
- CustomAttributeFormatException.cs
- SessionSwitchEventArgs.cs
- EntityAdapter.cs
- HttpProfileGroupBase.cs
- GridViewDeletedEventArgs.cs
- SqlProvider.cs
- sqlser.cs
- _SecureChannel.cs
- StyleCollectionEditor.cs
- RegexGroup.cs
- Vector3DAnimationUsingKeyFrames.cs
- basecomparevalidator.cs
- IndexerNameAttribute.cs
- SaveFileDialog.cs
- SetIterators.cs
- AutoCompleteStringCollection.cs
- UserMapPath.cs
- SingleTagSectionHandler.cs
- XmlSchemaAnnotation.cs
- DataSourceDescriptorCollection.cs
- OverlappedAsyncResult.cs
- Itemizer.cs
- KerberosSecurityTokenProvider.cs
- HttpModuleActionCollection.cs
- PasswordTextNavigator.cs
- OutputScopeManager.cs
- FontInfo.cs
- TypeForwardedToAttribute.cs
- Parser.cs
- Preprocessor.cs
- MetabaseSettings.cs
- XmlSerializationReader.cs
- ScrollItemPattern.cs
- RepeatButtonAutomationPeer.cs
- CreateUserWizardAutoFormat.cs
- PropertyCollection.cs
- WsdlInspector.cs
- RotateTransform3D.cs
- SpStreamWrapper.cs
- Vector.cs
- TriggerBase.cs
- MaterialGroup.cs