Code:
/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / 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.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- XmlBinaryReaderSession.cs
- EventManager.cs
- Setter.cs
- PlainXmlWriter.cs
- NameValuePair.cs
- StackSpiller.Bindings.cs
- Error.cs
- Switch.cs
- GraphicsState.cs
- IApplicationTrustManager.cs
- RequestContext.cs
- GPPOINT.cs
- httpserverutility.cs
- InputBinding.cs
- DataGridViewComboBoxEditingControl.cs
- TextRenderer.cs
- CultureMapper.cs
- FormViewRow.cs
- Registry.cs
- FilteredDataSetHelper.cs
- Char.cs
- SystemIPAddressInformation.cs
- SectionInput.cs
- MessageProperties.cs
- StringUtil.cs
- FixedLineResult.cs
- TableItemPatternIdentifiers.cs
- ToolboxDataAttribute.cs
- ToolStripControlHost.cs
- TextControlDesigner.cs
- X509ChainElement.cs
- WebScriptServiceHost.cs
- Paragraph.cs
- ScriptHandlerFactory.cs
- TiffBitmapDecoder.cs
- WindowsToolbar.cs
- CellTreeNodeVisitors.cs
- KoreanLunisolarCalendar.cs
- Win32Native.cs
- PersonalizationStateInfo.cs
- TextBox.cs
- ListBox.cs
- Triplet.cs
- RoleGroupCollection.cs
- Encoder.cs
- FixedPage.cs
- AuthorizationSection.cs
- HighlightVisual.cs
- CatalogZoneDesigner.cs
- mediaeventshelper.cs
- DesignerAutoFormatCollection.cs
- WindowsImpersonationContext.cs
- XsdCachingReader.cs
- VBIdentifierName.cs
- PropertyEmitter.cs
- ListBindingHelper.cs
- HotSpotCollection.cs
- StickyNoteAnnotations.cs
- dataobject.cs
- Property.cs
- DesignerTransaction.cs
- DataServiceQuery.cs
- InternalControlCollection.cs
- IProvider.cs
- sortedlist.cs
- SystemFonts.cs
- ServiceContractGenerator.cs
- ChannelServices.cs
- PageAsyncTask.cs
- OrthographicCamera.cs
- BlobPersonalizationState.cs
- SqlInternalConnectionSmi.cs
- ReferenceList.cs
- Transform.cs
- StringComparer.cs
- MexServiceChannelBuilder.cs
- BamlReader.cs
- OleDbFactory.cs
- PathData.cs
- TypeConverterAttribute.cs
- EntityProviderFactory.cs
- AddInController.cs
- Binding.cs
- AppSettingsReader.cs
- WebMessageEncoderFactory.cs
- GlobalEventManager.cs
- ValueType.cs
- StateWorkerRequest.cs
- InstalledVoice.cs
- IntellisenseTextBox.designer.cs
- WinFormsSecurity.cs
- GridLength.cs
- OleDbPermission.cs
- TransformerTypeCollection.cs
- WebPart.cs
- TextShapeableCharacters.cs
- TextChange.cs
- NameValuePair.cs
- SetState.cs
- RadioButtonStandardAdapter.cs