Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Core / CSharp / System / Windows / CultureInfoConverter.cs / 1305600 / CultureInfoConverter.cs
//---------------------------------------------------------------------------- // // Copyright (C) Microsoft Corporation. All rights reserved. // // File: CultureInfoConverter.cs // // Description: Contains the CultureInfoIetfLanguageTagConverter: TypeConverter for the CultureInfo class. // // History: // 01/12/2005 : niklasb - Initial implementation // 02/10/2006 : niklasb - Renamed from CulutureInfoConveter to CultureInfoIetfLanguageTagConverter // //--------------------------------------------------------------------------- using System; using System.ComponentModel; using System.ComponentModel.Design.Serialization; using System.Diagnostics; using System.Globalization; using System.Reflection; using System.Security; namespace System.Windows { ////// CultureInfoIetfLanguageTagConverter - Type converter for converting instances of other types to and from CultureInfo. /// ////// This class differs in two ways from System.ComponentModel.CultureInfoConverter, the default type converter /// for the CultureInfo class. First, it uses a string representation based on the IetfLanguageTag property /// rather than the Name property (i.e., RFC 3066 rather than RFC 1766). Second, when converting from a string, /// the properties of the resulting CultureInfo object depend only on the string and not on user overrides set /// in Control Panel. This makes it possible to create documents the appearance of which do not depend on /// local settings. /// public class CultureInfoIetfLanguageTagConverter : TypeConverter { //------------------------------------------------------------------- // // Public Methods // //------------------------------------------------------------------- #region Public Methods ////// CanConvertFrom - Returns whether or not this class can convert from a given type. /// ////// bool - True if this converter can convert from the provided type, false if not. /// /// The ITypeDescriptorContext for this call. /// The Type being queried for support. public override bool CanConvertFrom(ITypeDescriptorContext typeDescriptorContext, Type sourceType) { // We can only handle strings. return sourceType == typeof(string); } ////// CanConvertTo - Returns whether or not this class can convert to a given type. /// ////// bool - True if this converter can convert to the provided type, false if not. /// /// The ITypeDescriptorContext for this call. /// The Type being queried for support. public override bool CanConvertTo(ITypeDescriptorContext typeDescriptorContext, Type destinationType) { // We can convert to an InstanceDescriptor or to a string. return destinationType == typeof(InstanceDescriptor) || destinationType == typeof(string); } ////// ConvertFrom - Attempt to convert to a CultureInfo from the given object /// ////// A CultureInfo object based on the specified culture name. /// ////// An ArgumentNullException is thrown if the example object is null. /// ////// An ArgumentException is thrown if the example object is not null and is not a valid type /// which can be converted to a CultureInfo. /// /// The ITypeDescriptorContext for this call. /// The CultureInfo which is respected when converting. /// The object to convert to a CultureInfo. public override object ConvertFrom(ITypeDescriptorContext typeDescriptorContext, CultureInfo cultureInfo, object source) { string cultureName = source as string; if (cultureName != null) { return CultureInfo.GetCultureInfoByIetfLanguageTag(cultureName); } throw GetConvertFromException(source); } ////// ConvertTo - Attempt to convert a CultureInfo to the given type /// ////// The object which was constructed. /// ////// An ArgumentNullException is thrown if the example object is null. /// ////// An ArgumentException is thrown if the example object is not null and is not a CultureInfo, /// or if the destinationType isn't one of the valid destination types. /// /// The ITypeDescriptorContext for this call. /// The CultureInfo which is respected when converting. /// The double to convert. /// The type to which to convert the CultureInfo. ////// Critical: calls InstanceDescriptor ctor which LinkDemands /// PublicOK: can only make an InstanceDescriptor for CultureInfo.GetCultureInfo, not an arbitrary class/method /// [SecurityCritical] public override object ConvertTo(ITypeDescriptorContext typeDescriptorContext, CultureInfo cultureInfo, object value, Type destinationType) { if (destinationType == null) { throw new ArgumentNullException("destinationType"); } CultureInfo culture = value as CultureInfo; if (culture != null) { if (destinationType == typeof(string)) { return culture.IetfLanguageTag; } else if (destinationType == typeof(InstanceDescriptor)) { MethodInfo method = typeof(CultureInfo).GetMethod( "GetCultureInfo", BindingFlags.Static | BindingFlags.InvokeMethod | BindingFlags.Public, null, // use default binder new Type[] { typeof(string) }, null // default binder doesn't use parameter modifiers ); return new InstanceDescriptor(method, new object[] { culture.Name }); } } throw GetConvertToException(value, destinationType); } #endregion } } // 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
- HttpPostedFile.cs
- BitmapEditor.cs
- remotingproxy.cs
- SQLDoubleStorage.cs
- BindingContext.cs
- PublisherMembershipCondition.cs
- OdbcRowUpdatingEvent.cs
- StreamGeometry.cs
- XamlWriter.cs
- _AutoWebProxyScriptWrapper.cs
- HwndMouseInputProvider.cs
- SettingsPropertyValueCollection.cs
- OutputCacheProviderCollection.cs
- BrowserCapabilitiesCodeGenerator.cs
- ExceptionHandler.cs
- QueryExpr.cs
- PrinterUnitConvert.cs
- ScriptManagerProxy.cs
- PageSetupDialog.cs
- TextEditorSelection.cs
- CorrelationService.cs
- RadioButtonPopupAdapter.cs
- IdnElement.cs
- TdsParser.cs
- SystemColors.cs
- AliasedSlot.cs
- EventRecordWrittenEventArgs.cs
- ControlEvent.cs
- StatusBarItemAutomationPeer.cs
- COMException.cs
- ContractReference.cs
- XPathSelfQuery.cs
- DictionaryCustomTypeDescriptor.cs
- TargetFrameworkAttribute.cs
- ResourceBinder.cs
- EmbossBitmapEffect.cs
- DescriptionAttribute.cs
- TextRunCache.cs
- SafeNativeMethods.cs
- ProcessHostFactoryHelper.cs
- VBCodeProvider.cs
- DiscoveryClientDocuments.cs
- FunctionDetailsReader.cs
- ConditionValidator.cs
- followingsibling.cs
- TryLoadRunnableWorkflowCommand.cs
- Tuple.cs
- SQLBytes.cs
- ErrorEventArgs.cs
- WebConvert.cs
- OutputCacheSettings.cs
- HitTestDrawingContextWalker.cs
- ViewGenerator.cs
- MenuItemStyle.cs
- QilPatternVisitor.cs
- IntSecurity.cs
- RootBuilder.cs
- QilTargetType.cs
- HtmlButton.cs
- Grid.cs
- BooleanExpr.cs
- MouseGestureValueSerializer.cs
- DataSourceHelper.cs
- ProcessProtocolHandler.cs
- MainMenu.cs
- XmlCharCheckingWriter.cs
- XmlSerializationReader.cs
- PenThreadPool.cs
- DataGridDetailsPresenter.cs
- BinaryMethodMessage.cs
- Int32EqualityComparer.cs
- StdValidatorsAndConverters.cs
- ToolStripArrowRenderEventArgs.cs
- EtwTrace.cs
- String.cs
- DNS.cs
- FaultFormatter.cs
- XmlSchemaSimpleTypeUnion.cs
- TextServicesCompartment.cs
- HttpHostedTransportConfiguration.cs
- DelayedRegex.cs
- XmlNodeComparer.cs
- StringResourceManager.cs
- DocumentGrid.cs
- DeflateInput.cs
- control.ime.cs
- XmlQualifiedName.cs
- newinstructionaction.cs
- TypeExtensions.cs
- TaskHelper.cs
- InputLangChangeEvent.cs
- Compiler.cs
- TraceFilter.cs
- ScaleTransform.cs
- WebBrowserSiteBase.cs
- ControlDesignerState.cs
- NodeLabelEditEvent.cs
- SmtpSpecifiedPickupDirectoryElement.cs
- SqlNode.cs
- IntSumAggregationOperator.cs