Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Framework / System / Windows / Markup / ProvideValueServiceProvider.cs / 1 / 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, IBamlReader, 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); } // IBamlReader implementation BamlRecordReader IBamlReader.GetBamlReader() { return _context.BamlReader; } // 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(IBamlReader)) { return this as IBamlReader; } 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. /****************************************************************************\ * * 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, IBamlReader, 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); } // IBamlReader implementation BamlRecordReader IBamlReader.GetBamlReader() { return _context.BamlReader; } // 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(IBamlReader)) { return this as IBamlReader; } 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
- HuffCodec.cs
- UiaCoreProviderApi.cs
- cache.cs
- LinkedResource.cs
- ResourceWriter.cs
- ProtectedProviderSettings.cs
- OleDbRowUpdatingEvent.cs
- GroupedContextMenuStrip.cs
- MouseActionConverter.cs
- CellCreator.cs
- Stylesheet.cs
- QueryCacheKey.cs
- AQNBuilder.cs
- Msec.cs
- FontNamesConverter.cs
- TextServicesCompartmentContext.cs
- QuaternionAnimation.cs
- validationstate.cs
- CurrencyWrapper.cs
- LoginCancelEventArgs.cs
- HttpHandlersSection.cs
- PhysicalOps.cs
- WindowsGraphics2.cs
- ColorContextHelper.cs
- ConnectionStringsExpressionBuilder.cs
- FormViewPagerRow.cs
- CalendarButton.cs
- CalloutQueueItem.cs
- StringComparer.cs
- TextTreeInsertUndoUnit.cs
- PartBasedPackageProperties.cs
- ScriptReference.cs
- BufferAllocator.cs
- ObjectRef.cs
- AncestorChangedEventArgs.cs
- ButtonRenderer.cs
- CqlLexer.cs
- PathSegmentCollection.cs
- UidManager.cs
- CodeTypeParameter.cs
- X509ImageLogo.cs
- MissingFieldException.cs
- BoolExpressionVisitors.cs
- SqlTypesSchemaImporter.cs
- HostedHttpContext.cs
- SettingsPropertyValueCollection.cs
- CompleteWizardStep.cs
- GeneralTransform3DGroup.cs
- LinkDescriptor.cs
- ZoneButton.cs
- NativeMethodsOther.cs
- DataObjectMethodAttribute.cs
- EventMappingSettings.cs
- ToolStripDropTargetManager.cs
- MailBnfHelper.cs
- AbstractSvcMapFileLoader.cs
- printdlgexmarshaler.cs
- EventToken.cs
- IteratorFilter.cs
- EventDescriptorCollection.cs
- DataError.cs
- StylusPlugin.cs
- OperationFormatter.cs
- ToolStripArrowRenderEventArgs.cs
- RegexWorker.cs
- DataGridCommandEventArgs.cs
- NoneExcludedImageIndexConverter.cs
- BitmapCodecInfoInternal.cs
- CompilationLock.cs
- PrintController.cs
- handlecollector.cs
- ProviderIncompatibleException.cs
- CustomSignedXml.cs
- ObsoleteAttribute.cs
- SqlCacheDependencyDatabase.cs
- InvalidPrinterException.cs
- Ray3DHitTestResult.cs
- wgx_sdk_version.cs
- TypeExtensionConverter.cs
- ScriptManager.cs
- SecurityCookieModeValidator.cs
- ControlValuePropertyAttribute.cs
- WebPartConnection.cs
- Msmq4PoisonHandler.cs
- DbProviderFactoriesConfigurationHandler.cs
- COM2ExtendedTypeConverter.cs
- DesignSurface.cs
- SymbolEqualComparer.cs
- InlineCollection.cs
- SqlNodeAnnotations.cs
- HyperLink.cs
- TransportationConfigurationTypeInstallComponent.cs
- safesecurityhelperavalon.cs
- DecoderBestFitFallback.cs
- TextChange.cs
- UniqueEventHelper.cs
- MenuItemCollection.cs
- SoapHeader.cs
- CheckBoxPopupAdapter.cs
- AttributeQuery.cs