Code:
/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / TrustUi / MS / Internal / documents / Application / NavigationHelper.cs / 1 / NavigationHelper.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: // NavigationHelper is an internal utility class for Mongoose to deal // with Uri navigations. // // History: // 11/10/05 - [....] created // //--------------------------------------------------------------------------- using System; using System.Security; using System.Windows.Interop; using System.Windows.TrustUI; using MS.Internal; using MS.Internal.PresentationUI; namespace MS.Internal.Documents.Application { ////// Helper class for handling browser navigations. /// internal static class NavigationHelper { ////////// Invokes a navigation to a new document ///// ////// Critical: /// - uses delegate from framework /// - uses Document.Uri /// [SecurityCritical] internal static void NavigateToDocument(Document document) { Trace.SafeWrite( Trace.File, "Attempting to navigate to new document {0}.", document.Uri); Invariant.Assert( _navigate != null, "Navigation object has not been instantiated."); Invariant.Assert( _navigate.Value != null, "Navigation delegate has not been assigned."); Invariant.Assert( document != null, "Target document has not been assigned."); _navigate.Value(new SecurityCriticalData(document.Uri)); } ///// ///// Invokes a top-level browserNavigation action to the specified Uri. ///// ////////// Critical: ///// - causes a navigation action to occur to an external uri ///// - passes the Uri to another method ///// [SecurityCritical] internal static void NavigateToExternalUri(Uri uri) { Trace.SafeWrite( Trace.File, "Attempting to navigate to external Uri {0}.", uri); Invariant.Assert( _navigate != null, "Navigation object has not been instantiated."); Invariant.Assert( _navigate.Value != null, "Navigation delegate has not been assigned."); Invariant.Assert( uri != null, "Target uri has not been assigned."); _navigate.Value(new SecurityCriticalData(uri)); } /// /// A delegate that will navigate the root browser window. /// ////// Critical: /// - sets _navigate which should only be BrowserInteropHelper.Navigate /// ////// If we are going to add more functionality a IBrowserService interface /// of some type should be defined and set vs many delegates. /// [FriendAccessAllowed] internal static NavigateDelegate Navigate { [SecurityCritical] get { if (_navigate != null) { return _navigate.Value; } return null; } [SecurityCritical] set { _navigate = new SecurityCriticalDataClass(value); } } internal delegate void NavigateDelegate(SecurityCriticalData uri); private static SecurityCriticalDataClass _navigate; } } // 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
- HtmlInputSubmit.cs
- CharAnimationUsingKeyFrames.cs
- ObjectDataSourceView.cs
- AbstractSvcMapFileLoader.cs
- RTTrackingProfile.cs
- DataShape.cs
- ForeignKeyFactory.cs
- SimpleTypeResolver.cs
- baseaxisquery.cs
- HttpRuntimeSection.cs
- Identifier.cs
- ZipIOFileItemStream.cs
- CompiledQuery.cs
- GridViewCommandEventArgs.cs
- PanelDesigner.cs
- LocatorManager.cs
- HebrewCalendar.cs
- ScriptControlDescriptor.cs
- HelpOperationInvoker.cs
- SqlClientWrapperSmiStream.cs
- ExtensionSimplifierMarkupObject.cs
- Queue.cs
- LicenseManager.cs
- IndentTextWriter.cs
- querybuilder.cs
- CoreSwitches.cs
- CompilerHelpers.cs
- cache.cs
- ListViewItemSelectionChangedEvent.cs
- SystemIPv6InterfaceProperties.cs
- StylusCaptureWithinProperty.cs
- TrustLevelCollection.cs
- SvcMapFileSerializer.cs
- DataGridViewRow.cs
- ServerValidateEventArgs.cs
- DataGridTextBox.cs
- _ContextAwareResult.cs
- XmlILConstructAnalyzer.cs
- DesignBindingValueUIHandler.cs
- ByteConverter.cs
- FixedHyperLink.cs
- PanelStyle.cs
- XmlTextWriter.cs
- localization.cs
- XmlSchemaImporter.cs
- UriParserTemplates.cs
- ConsoleTraceListener.cs
- ExtensionWindow.cs
- ListenerPerfCounters.cs
- MediaContext.cs
- Point4DValueSerializer.cs
- PartialArray.cs
- ChangeConflicts.cs
- Main.cs
- OleDbDataAdapter.cs
- DurableOperationAttribute.cs
- StorageScalarPropertyMapping.cs
- Misc.cs
- FontDriver.cs
- Property.cs
- UnmanagedMarshal.cs
- SqlReorderer.cs
- ProxyWebPart.cs
- SR.cs
- IteratorFilter.cs
- Group.cs
- SamlConditions.cs
- CharConverter.cs
- WebPartDeleteVerb.cs
- HttpConfigurationContext.cs
- DataGridRowHeaderAutomationPeer.cs
- RawTextInputReport.cs
- DataGridViewControlCollection.cs
- SrgsRule.cs
- Selection.cs
- mda.cs
- TransformationRules.cs
- LifetimeServices.cs
- CategoryList.cs
- MenuAdapter.cs
- _StreamFramer.cs
- SurrogateDataContract.cs
- DesignerActionVerbList.cs
- HandlerBase.cs
- FacetValueContainer.cs
- OneWayBindingElementImporter.cs
- SystemException.cs
- ActivityLocationReferenceEnvironment.cs
- COM2TypeInfoProcessor.cs
- MgmtConfigurationRecord.cs
- DetailsViewPageEventArgs.cs
- MissingManifestResourceException.cs
- BigIntegerStorage.cs
- RichTextBoxDesigner.cs
- WebServiceClientProxyGenerator.cs
- ListChunk.cs
- XmlUtil.cs
- TrackingDataItem.cs
- WebProxyScriptElement.cs
- PersistNameAttribute.cs