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
- StateMachineWorkflowDesigner.cs
- SRGSCompiler.cs
- DNS.cs
- HtmlInputCheckBox.cs
- Visual3D.cs
- ClientProxyGenerator.cs
- Lease.cs
- FileFormatException.cs
- ToolStripPanelRenderEventArgs.cs
- Accessors.cs
- ColorConverter.cs
- XmlSerializationGeneratedCode.cs
- JsonFormatReaderGenerator.cs
- HandlerBase.cs
- HtmlInputCheckBox.cs
- CommandEventArgs.cs
- ProtectedConfigurationSection.cs
- Cursors.cs
- WindowsListViewScroll.cs
- DataRowIndexBuffer.cs
- StoreItemCollection.cs
- DataRow.cs
- InternalDispatchObject.cs
- Serializer.cs
- InstancePersistenceException.cs
- PropertyIdentifier.cs
- EntityDesignerDataSourceView.cs
- StateMachineSubscriptionManager.cs
- TextTreeExtractElementUndoUnit.cs
- WebRequestModuleElementCollection.cs
- ObjectAssociationEndMapping.cs
- XmlStringTable.cs
- SafeRightsManagementPubHandle.cs
- OleDbPropertySetGuid.cs
- Border.cs
- ComponentConverter.cs
- EventLogEntry.cs
- TextDpi.cs
- TypeUnloadedException.cs
- BitmapEffectInputData.cs
- XmlArrayItemAttributes.cs
- SecureConversationServiceCredential.cs
- Size3D.cs
- ConvertTextFrag.cs
- XmlSiteMapProvider.cs
- MenuItemBinding.cs
- WindowPattern.cs
- TreeViewImageIndexConverter.cs
- AnonymousIdentificationModule.cs
- IPipelineRuntime.cs
- RuleRefElement.cs
- GiveFeedbackEvent.cs
- RichTextBox.cs
- ListChunk.cs
- RangeBaseAutomationPeer.cs
- UnsupportedPolicyOptionsException.cs
- NodeFunctions.cs
- WebCategoryAttribute.cs
- DesignerDataParameter.cs
- TaskExtensions.cs
- DesignerHierarchicalDataSourceView.cs
- HttpCacheVaryByContentEncodings.cs
- GridViewEditEventArgs.cs
- BaseCAMarshaler.cs
- DateTimeSerializationSection.cs
- XPathNode.cs
- PlanCompilerUtil.cs
- CacheChildrenQuery.cs
- StatusCommandUI.cs
- XmlHierarchicalEnumerable.cs
- processwaithandle.cs
- DataPointer.cs
- SafeHandles.cs
- CategoryNameCollection.cs
- SafeLocalMemHandle.cs
- HtmlEncodedRawTextWriter.cs
- FontDriver.cs
- CheckPair.cs
- QueryExtender.cs
- Predicate.cs
- BitmapEffectDrawingContent.cs
- WebException.cs
- BaseTypeViewSchema.cs
- mediaclock.cs
- AssignDesigner.xaml.cs
- CalendarDesigner.cs
- LogEntrySerializationException.cs
- ArrayMergeHelper.cs
- DataGridViewCellParsingEventArgs.cs
- EntitySqlException.cs
- odbcmetadatacolumnnames.cs
- ConstantProjectedSlot.cs
- WindowsBrush.cs
- TTSEngineTypes.cs
- WebServiceHandler.cs
- UInt64Storage.cs
- PersonalizationEntry.cs
- OutputCacheSettings.cs
- RoutedEventConverter.cs
- TcpClientCredentialType.cs