Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Framework / System / Windows / Markup / ProvideValueServiceProvider.cs / 1305600 / ProvideValueServiceProvider.cs
/****************************************************************************\ * * File: ProvideValueServiceProvider.cs * * ServiceProvider class that is passed into MarkupExtensions.ProvideValue method * that understands the ParserContext. * * Copyright (C) 2006 by Microsoft Corporation. All rights reserved. * \***************************************************************************/ using System; using System.Windows; using System.Windows.Media; using System.Diagnostics; namespace System.Windows.Markup { ////// Base class for all Xaml markup extensions. /// internal class ProvideValueServiceProvider : IServiceProvider, IProvideValueTarget, IXamlTypeResolver, IUriContext, IFreezeFreezables { // Construction internal ProvideValueServiceProvider(ParserContext context) { _context = context; } internal ProvideValueServiceProvider() { } // Set the TargetObject/Property (for use by IProvideValueTarget). internal void SetData(object targetObject, object targetProperty) { _targetObject = targetObject; _targetProperty = targetProperty; } // Clear the TargetObject/Property (after a call to ProvideValue) internal void ClearData() { _targetObject = _targetProperty = null; } // IXamlTypeResolver implementation Type IXamlTypeResolver.Resolve(string qualifiedTypeName) // E.g. foo:Class { return _context.XamlTypeMapper.GetTypeFromBaseString(qualifiedTypeName, _context, true); } // IProvideValueTarget implementation object IProvideValueTarget.TargetObject { get { return _targetObject; } } object IProvideValueTarget.TargetProperty { get { return _targetProperty; } } // IUriContext implementation Uri IUriContext.BaseUri { get { return _context.BaseUri; } set { throw new NotSupportedException(SR.Get(SRID.ParserProvideValueCantSetUri)); } } bool IFreezeFreezables.FreezeFreezables { get { return _context.FreezeFreezables; } } bool IFreezeFreezables.TryFreeze(string value, Freezable freezable) { return _context.TryCacheFreezable(value, freezable); } Freezable IFreezeFreezables.TryGetFreezable(string value) { return _context.TryGetFreezable(value); } // IServiceProvider implementation (this is the way to get to the // above interface implementations). public object GetService(Type service) { // IProvideValueTarget is the only implementation that // doesn't need the ParserContext if( service == typeof(IProvideValueTarget)) { return this as IProvideValueTarget; } if( _context != null ) { if( service == typeof(IXamlTypeResolver)) { return this as IXamlTypeResolver; } else if( service == typeof(IUriContext)) { return this as IUriContext; } else if (service == typeof(IFreezeFreezables)) { return this as IFreezeFreezables; } } return null; } // Data private ParserContext _context = null; private object _targetObject = null; private object _targetProperty = null; } } // 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
- StringPropertyBuilder.cs
- TextElement.cs
- ScriptControlDescriptor.cs
- KeyboardDevice.cs
- InvalidOperationException.cs
- BindingCompleteEventArgs.cs
- EventToken.cs
- MissingSatelliteAssemblyException.cs
- TextTreeText.cs
- SizeAnimation.cs
- IIS7WorkerRequest.cs
- XmlSchemaException.cs
- NumberSubstitution.cs
- XmlSchemas.cs
- MessageBox.cs
- sqlcontext.cs
- MenuItemStyleCollection.cs
- SystemWebCachingSectionGroup.cs
- documentsequencetextpointer.cs
- QueryStringParameter.cs
- KeyEventArgs.cs
- FilteredDataSetHelper.cs
- ScaleTransform3D.cs
- ThreadStateException.cs
- BatchParser.cs
- OutArgument.cs
- LicenseProviderAttribute.cs
- IdentityManager.cs
- WizardForm.cs
- RegisteredExpandoAttribute.cs
- Vector.cs
- DataSourceXmlElementAttribute.cs
- ComponentEvent.cs
- XsdCachingReader.cs
- SupportsEventValidationAttribute.cs
- TripleDESCryptoServiceProvider.cs
- DisposableCollectionWrapper.cs
- RelatedPropertyManager.cs
- XmlSchemaInfo.cs
- TreeBuilder.cs
- IODescriptionAttribute.cs
- PeerNameResolver.cs
- TransactionOptions.cs
- Route.cs
- ErrorWebPart.cs
- ZipPackage.cs
- WebHttpSecurityElement.cs
- TextEditorTyping.cs
- ExclusiveCanonicalizationTransform.cs
- ConstantCheck.cs
- Transform3DGroup.cs
- ApplicationFileCodeDomTreeGenerator.cs
- AlternateView.cs
- FilteredReadOnlyMetadataCollection.cs
- ServiceDescriptionImporter.cs
- ConversionContext.cs
- WorkflowServiceHost.cs
- Assembly.cs
- Model3D.cs
- Floater.cs
- MiniLockedBorderGlyph.cs
- BitmapEffectInput.cs
- SqlServices.cs
- WebPartDeleteVerb.cs
- VerifyHashRequest.cs
- HtmlInputCheckBox.cs
- HighContrastHelper.cs
- ExceptionValidationRule.cs
- PageWrapper.cs
- HttpResponseHeader.cs
- HttpValueCollection.cs
- WindowsImpersonationContext.cs
- WebPartChrome.cs
- PerformanceCounterPermissionAttribute.cs
- EdmScalarPropertyAttribute.cs
- PageParser.cs
- SessionSwitchEventArgs.cs
- LongTypeConverter.cs
- WebDescriptionAttribute.cs
- ClientRuntimeConfig.cs
- CorruptStoreException.cs
- TransactionWaitAsyncResult.cs
- GeometryHitTestResult.cs
- GridViewRow.cs
- InstanceCompleteException.cs
- ParameterCollection.cs
- StringPropertyBuilder.cs
- Storyboard.cs
- __ConsoleStream.cs
- HighlightComponent.cs
- XmlBindingWorker.cs
- BitVector32.cs
- Rules.cs
- InternalConfigEventArgs.cs
- SqlUtil.cs
- TraceData.cs
- DataGridColumnHeaderAutomationPeer.cs
- BufferBuilder.cs
- ScriptControl.cs
- StateRuntime.cs