Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / clr / src / BCL / System / Collections / Comparer.cs / 1 / Comparer.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== /*============================================================ ** ** Class: Comparer ** ** ** Purpose: Default IComparer implementation. ** ** ===========================================================*/ namespace System.Collections { using System; using System.Globalization; using System.Runtime.Serialization; using System.Security.Permissions; [Serializable] [System.Runtime.InteropServices.ComVisible(true)] public sealed class Comparer : IComparer , ISerializable { private CompareInfo m_compareInfo; public static readonly Comparer Default = new Comparer(CultureInfo.CurrentCulture); public static readonly Comparer DefaultInvariant = new Comparer(CultureInfo.InvariantCulture); private const String CompareInfoName = "CompareInfo"; private Comparer() { m_compareInfo = null; } public Comparer(CultureInfo culture) { if (culture==null) { throw new ArgumentNullException("culture"); } m_compareInfo = culture.CompareInfo; } private Comparer(SerializationInfo info, StreamingContext context) { m_compareInfo = null; SerializationInfoEnumerator enumerator = info.GetEnumerator(); while( enumerator.MoveNext()) { switch( enumerator.Name) { case CompareInfoName: m_compareInfo = (CompareInfo) info.GetValue(CompareInfoName, typeof(CompareInfo)); break; } } } // Compares two Objects by calling CompareTo. If a == // b,0 is returned. If a implements // IComparable, a.CompareTo(b) is returned. If a // doesn't implement IComparable and b does, // -(b.CompareTo(a)) is returned, otherwise an // exception is thrown. // public int Compare(Object a, Object b) { if (a == b) return 0; if (a == null) return -1; if (b == null) return 1; if (m_compareInfo != null) { String sa = a as String; String sb = b as String; if (sa != null && sb != null) return m_compareInfo.Compare(sa, sb); } IComparable ia = a as IComparable; if (ia != null) return ia.CompareTo(b); throw new ArgumentException(Environment.GetResourceString("Argument_ImplementIComparable")); } [SecurityPermissionAttribute(SecurityAction.LinkDemand, Flags=SecurityPermissionFlag.SerializationFormatter)] public void GetObjectData(SerializationInfo info, StreamingContext context) { if (info==null) { throw new ArgumentNullException("info"); } if( m_compareInfo != null) { info.AddValue(CompareInfoName, m_compareInfo); } } } }
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- JsonServiceDocumentSerializer.cs
- RequiredAttributeAttribute.cs
- XamlPathDataSerializer.cs
- Effect.cs
- HttpCapabilitiesSectionHandler.cs
- _Win32.cs
- CryptographicAttribute.cs
- RequestSecurityTokenResponseCollection.cs
- UrlPropertyAttribute.cs
- ChameleonKey.cs
- GacUtil.cs
- sqlnorm.cs
- IgnoreDeviceFilterElementCollection.cs
- AuthorizationPolicyTypeElement.cs
- OleDbException.cs
- KnownTypesHelper.cs
- TransactedBatchingElement.cs
- DefaultDialogButtons.cs
- StaticSiteMapProvider.cs
- DataList.cs
- CodeEntryPointMethod.cs
- TransactionScope.cs
- TextModifierScope.cs
- UnsafeNativeMethodsPenimc.cs
- AppSettingsExpressionBuilder.cs
- PersistChildrenAttribute.cs
- ClientEndpointLoader.cs
- DESCryptoServiceProvider.cs
- CodeChecksumPragma.cs
- Connector.xaml.cs
- ArcSegment.cs
- ZeroOpNode.cs
- UriTemplateQueryValue.cs
- Stylesheet.cs
- DataChangedEventManager.cs
- MobileCapabilities.cs
- HealthMonitoringSectionHelper.cs
- QueryResponse.cs
- ContentWrapperAttribute.cs
- XamlReader.cs
- AutoGeneratedField.cs
- DataIdProcessor.cs
- DataRecord.cs
- XmlSchemaChoice.cs
- XmlNamedNodeMap.cs
- ConnectionProviderAttribute.cs
- CdpEqualityComparer.cs
- SiteMapNodeCollection.cs
- MouseEvent.cs
- ProgressiveCrcCalculatingStream.cs
- handlecollector.cs
- Tuple.cs
- NamespaceList.cs
- CodeDefaultValueExpression.cs
- exports.cs
- _HeaderInfo.cs
- contentDescriptor.cs
- ConfigUtil.cs
- SendReply.cs
- PropertyKey.cs
- NullableDoubleMinMaxAggregationOperator.cs
- XmlCodeExporter.cs
- OdbcTransaction.cs
- Stack.cs
- AssertUtility.cs
- EntityExpressionVisitor.cs
- DataViewManagerListItemTypeDescriptor.cs
- ParameterElementCollection.cs
- LinqDataSourceDeleteEventArgs.cs
- ZipIOFileItemStream.cs
- ConditionValidator.cs
- Frame.cs
- WindowsGrip.cs
- Visitors.cs
- MaterializeFromAtom.cs
- DataViewListener.cs
- SqlInternalConnection.cs
- RemoteWebConfigurationHost.cs
- XmlDeclaration.cs
- NamespaceInfo.cs
- TextDecorationCollectionConverter.cs
- IgnoreDataMemberAttribute.cs
- UrlMappingsSection.cs
- FixedSOMTextRun.cs
- TcpConnectionPoolSettings.cs
- SafeRegistryHandle.cs
- WebBrowserNavigatedEventHandler.cs
- OleTxTransaction.cs
- TextServicesDisplayAttribute.cs
- GenericNameHandler.cs
- XmlCharCheckingWriter.cs
- SoapExtensionReflector.cs
- ValidatingPropertiesEventArgs.cs
- ContentPresenter.cs
- SizeAnimation.cs
- ProfileService.cs
- OdbcConnectionOpen.cs
- ModelToObjectValueConverter.cs
- DiscoveryVersion.cs
- DataGridSortCommandEventArgs.cs