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
- OutputScopeManager.cs
- SecurityManager.cs
- DBPropSet.cs
- EventLogStatus.cs
- EllipticalNodeOperations.cs
- ParallelActivityDesigner.cs
- PhysicalOps.cs
- ConfigViewGenerator.cs
- PaintValueEventArgs.cs
- NullableIntSumAggregationOperator.cs
- HttpRawResponse.cs
- XmlSchemaInclude.cs
- AuthenticateEventArgs.cs
- StringInfo.cs
- StaticTextPointer.cs
- SpecularMaterial.cs
- TextTreeObjectNode.cs
- CaretElement.cs
- Renderer.cs
- DbParameterCollectionHelper.cs
- CredentialManagerDialog.cs
- ElementsClipboardData.cs
- LocalizationParserHooks.cs
- CorruptingExceptionCommon.cs
- ValueExpressions.cs
- GridViewSortEventArgs.cs
- OdbcUtils.cs
- BoundField.cs
- TemplateXamlParser.cs
- ACE.cs
- Menu.cs
- XmlSubtreeReader.cs
- XmlSchemaAnyAttribute.cs
- LineSegment.cs
- UnaryNode.cs
- EarlyBoundInfo.cs
- HashMembershipCondition.cs
- DataGridCaption.cs
- ToolboxItemAttribute.cs
- FormViewPageEventArgs.cs
- WebControlToolBoxItem.cs
- ScriptResourceInfo.cs
- MobileUITypeEditor.cs
- XmlSecureResolver.cs
- DayRenderEvent.cs
- AutomationIdentifier.cs
- ToolStripMenuItemDesigner.cs
- prompt.cs
- BackgroundWorker.cs
- BitmapEffect.cs
- DateTimeSerializationSection.cs
- XamlTypeMapperSchemaContext.cs
- BinaryWriter.cs
- ScaleTransform.cs
- Dispatcher.cs
- SHA256.cs
- PrintDialog.cs
- SocketInformation.cs
- DataBoundControlAdapter.cs
- SoapMessage.cs
- WebPartTransformerAttribute.cs
- CancellableEnumerable.cs
- ToolStripItem.cs
- XPathNodeList.cs
- DbProviderConfigurationHandler.cs
- CustomBindingElementCollection.cs
- CredentialCache.cs
- UrlRoutingModule.cs
- NodeFunctions.cs
- CriticalFinalizerObject.cs
- RepeaterDesigner.cs
- EntityViewGenerationAttribute.cs
- DataGridColumnCollectionEditor.cs
- DrawingGroup.cs
- ForeignKeyConstraint.cs
- CopyOfAction.cs
- CaseInsensitiveHashCodeProvider.cs
- TabletDevice.cs
- ConsoleTraceListener.cs
- SizeF.cs
- ArithmeticLiteral.cs
- SQLConvert.cs
- XmlFormatWriterGenerator.cs
- WebPartHeaderCloseVerb.cs
- CodeExpressionStatement.cs
- WinEventQueueItem.cs
- PersonalizablePropertyEntry.cs
- PenContext.cs
- ProcessingInstructionAction.cs
- CodeAttributeArgumentCollection.cs
- WindowsScrollBar.cs
- ArithmeticLiteral.cs
- TransformDescriptor.cs
- MyContact.cs
- IPGlobalProperties.cs
- DataKeyArray.cs
- DataAdapter.cs
- TextEncodedRawTextWriter.cs
- XmlNodeChangedEventArgs.cs
- ObjectConverter.cs