Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Framework / System / Windows / Markup / DependencyPropertyConverter.cs / 1 / DependencyPropertyConverter.cs
/****************************************************************************\ * * File: DependencyPropertyConverter.cs * * Class for converting a given DependencyProperty to and from a string * * Copyright (C) 2005 by Microsoft Corporation. All rights reserved. * \***************************************************************************/ using System; using System.ComponentModel; // for TypeConverter using System.Globalization; // for CultureInfo using System.Reflection; using MS.Utility; using MS.Internal; using System.Windows; using System.ComponentModel.Design.Serialization; using System.Windows.Documents; namespace System.Windows.Markup { ////// Class for converting a given DependencyProperty to and from a string /// public sealed class DependencyPropertyConverter : TypeConverter { #region Public Methods ////// CanConvertFrom() /// /// ITypeDescriptorContext /// type to convert from ///true if the given type can be converted, flase otherwise public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType) { // We can only convert from a string and that too only if we have all the contextual information // Note: Sometimes even the serializer calls CanConvertFrom in order // to determine if it is a valid converter to use for serialization. if (sourceType == typeof(string) && (context is TypeConvertContext)) { return true; } return false; } ////// TypeConverter method override. /// /// ITypeDescriptorContext /// Type to convert to ///true if conversion is possible public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType) { return false; } ////// ConvertFrom() -TypeConverter method override. using the givein name to return DependencyProperty /// /// ITypeDescriptorContext /// CultureInfo /// Object to convert from ///instance of Command public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object source) { TypeConvertContext typeConvertContext = context as TypeConvertContext; if (source is string && typeConvertContext != null) { ParserContext parserContext = typeConvertContext.ParserContext; // Find the ownerType from the parser context (this should be generalized, but for now // hard-coded to style & template) Type ownerType = null; ownerType = parserContext.TargetType; DependencyProperty dp = XamlTypeMapper.ParsePropertyName(parserContext, ((string)source).Trim(), ref ownerType); return dp; } throw GetConvertFromException(source); } ////// ConvertTo() - Serialization purposes, returns the string from Command.Name by adding ownerType.FullName /// /// ITypeDescriptorContext /// CultureInfo /// the object to convert from /// the type to convert to ///string object, if the destination type is string public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType) { throw GetConvertToException(value, destinationType); } #endregion Public Methods } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. /****************************************************************************\ * * File: DependencyPropertyConverter.cs * * Class for converting a given DependencyProperty to and from a string * * Copyright (C) 2005 by Microsoft Corporation. All rights reserved. * \***************************************************************************/ using System; using System.ComponentModel; // for TypeConverter using System.Globalization; // for CultureInfo using System.Reflection; using MS.Utility; using MS.Internal; using System.Windows; using System.ComponentModel.Design.Serialization; using System.Windows.Documents; namespace System.Windows.Markup { ////// Class for converting a given DependencyProperty to and from a string /// public sealed class DependencyPropertyConverter : TypeConverter { #region Public Methods ////// CanConvertFrom() /// /// ITypeDescriptorContext /// type to convert from ///true if the given type can be converted, flase otherwise public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType) { // We can only convert from a string and that too only if we have all the contextual information // Note: Sometimes even the serializer calls CanConvertFrom in order // to determine if it is a valid converter to use for serialization. if (sourceType == typeof(string) && (context is TypeConvertContext)) { return true; } return false; } ////// TypeConverter method override. /// /// ITypeDescriptorContext /// Type to convert to ///true if conversion is possible public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType) { return false; } ////// ConvertFrom() -TypeConverter method override. using the givein name to return DependencyProperty /// /// ITypeDescriptorContext /// CultureInfo /// Object to convert from ///instance of Command public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object source) { TypeConvertContext typeConvertContext = context as TypeConvertContext; if (source is string && typeConvertContext != null) { ParserContext parserContext = typeConvertContext.ParserContext; // Find the ownerType from the parser context (this should be generalized, but for now // hard-coded to style & template) Type ownerType = null; ownerType = parserContext.TargetType; DependencyProperty dp = XamlTypeMapper.ParsePropertyName(parserContext, ((string)source).Trim(), ref ownerType); return dp; } throw GetConvertFromException(source); } ////// ConvertTo() - Serialization purposes, returns the string from Command.Name by adding ownerType.FullName /// /// ITypeDescriptorContext /// CultureInfo /// the object to convert from /// the type to convert to ///string object, if the destination type is string public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType) { throw GetConvertToException(value, destinationType); } #endregion Public Methods } } // 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
- ComponentDispatcher.cs
- BamlTreeNode.cs
- ProxyWebPartConnectionCollection.cs
- shaperfactoryquerycacheentry.cs
- PieceNameHelper.cs
- CodeConstructor.cs
- StateDesignerConnector.cs
- SplitterPanelDesigner.cs
- List.cs
- XPathDocument.cs
- MailAddressParser.cs
- DataBoundControlDesigner.cs
- SoapIgnoreAttribute.cs
- ClipboardProcessor.cs
- FileDialog.cs
- NumericUpDownAcceleration.cs
- Trace.cs
- ConnectionPoolManager.cs
- DataSourceListEditor.cs
- SystemDiagnosticsSection.cs
- DeferredSelectedIndexReference.cs
- XsdDateTime.cs
- SpanIndex.cs
- SwitchElementsCollection.cs
- MexBindingBindingCollectionElement.cs
- RangeValueProviderWrapper.cs
- ScriptResourceAttribute.cs
- PropertyNames.cs
- ResourceIDHelper.cs
- Literal.cs
- UnmanagedMemoryAccessor.cs
- ColorIndependentAnimationStorage.cs
- Utility.cs
- XamlFigureLengthSerializer.cs
- TypeRestriction.cs
- FrameSecurityDescriptor.cs
- ViewStateChangedEventArgs.cs
- IRCollection.cs
- DBSqlParserColumnCollection.cs
- StringDictionaryEditor.cs
- BinaryParser.cs
- DataBindingExpressionBuilder.cs
- ExpressionPrinter.cs
- Light.cs
- Converter.cs
- OperandQuery.cs
- UniformGrid.cs
- VersionedStream.cs
- DataError.cs
- InfoCardRSAPKCS1KeyExchangeDeformatter.cs
- SqlServices.cs
- StrokeDescriptor.cs
- CompilationUtil.cs
- XmlImplementation.cs
- ConfigurationElementCollection.cs
- PersonalizationState.cs
- OleDbParameterCollection.cs
- UpdateCompiler.cs
- StringCollection.cs
- Repeater.cs
- RegexCharClass.cs
- CqlLexerHelpers.cs
- HttpHandlersSection.cs
- Material.cs
- EngineSiteSapi.cs
- Crypto.cs
- TableItemPatternIdentifiers.cs
- ExpressionBuilder.cs
- shaperfactory.cs
- ImageMetadata.cs
- XamlFrame.cs
- ProfileGroupSettingsCollection.cs
- BindableTemplateBuilder.cs
- SessionPageStatePersister.cs
- PeerOutputChannel.cs
- EntryPointNotFoundException.cs
- InputLanguageProfileNotifySink.cs
- FlowDocumentReaderAutomationPeer.cs
- Icon.cs
- XamlStackWriter.cs
- TraceContextEventArgs.cs
- RowCache.cs
- JsonWriter.cs
- ChangeConflicts.cs
- Translator.cs
- OdbcFactory.cs
- RelatedCurrencyManager.cs
- TreeNodeStyle.cs
- TableColumn.cs
- Evaluator.cs
- IODescriptionAttribute.cs
- WebPartZone.cs
- MenuItem.cs
- SocketException.cs
- ContentControl.cs
- WinEventWrap.cs
- UTF7Encoding.cs
- Attachment.cs
- ValidationSummary.cs
- FileSecurity.cs