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
- MaterializeFromAtom.cs
- DataTable.cs
- HtmlInputHidden.cs
- OleDbParameter.cs
- HyperLink.cs
- securitymgrsite.cs
- TraceUtils.cs
- ServiceMemoryGates.cs
- HttpModuleActionCollection.cs
- KnownTypeHelper.cs
- PieceDirectory.cs
- WebPartUserCapability.cs
- OrderByBuilder.cs
- BasicCommandTreeVisitor.cs
- Path.cs
- Size3D.cs
- ClientFormsAuthenticationCredentials.cs
- SchemaAttDef.cs
- Decimal.cs
- LongTypeConverter.cs
- UniqueIdentifierService.cs
- DataKey.cs
- MergeFailedEvent.cs
- DesignTimeResourceProviderFactoryAttribute.cs
- PerformanceCounterPermission.cs
- XmlDataDocument.cs
- CompositeScriptReference.cs
- DataGridTableCollection.cs
- ScrollBar.cs
- CreateCardRequest.cs
- Operator.cs
- ToolboxDataAttribute.cs
- MessageHeaderInfoTraceRecord.cs
- InkCanvasSelectionAdorner.cs
- TextTreeExtractElementUndoUnit.cs
- SafeBitVector32.cs
- LogicalExpr.cs
- ToolStripContentPanelDesigner.cs
- RtfToXamlReader.cs
- FlowDocumentPage.cs
- RuntimeComponentFilter.cs
- brushes.cs
- TextRange.cs
- DocumentXmlWriter.cs
- PermissionSet.cs
- FormatterServices.cs
- DefaultHttpHandler.cs
- MimeObjectFactory.cs
- ScriptControlDescriptor.cs
- AppSettingsReader.cs
- SplitterDesigner.cs
- WmlCalendarAdapter.cs
- CommandManager.cs
- SingleAnimation.cs
- WindowsListViewItem.cs
- MasterPage.cs
- ObjectTag.cs
- DependencyPropertyHelper.cs
- DataGridViewDataConnection.cs
- VirtualizingPanel.cs
- ProtocolViolationException.cs
- DbConnectionOptions.cs
- ValidationErrorEventArgs.cs
- XmlIlTypeHelper.cs
- EventWaitHandle.cs
- WebBaseEventKeyComparer.cs
- SkinBuilder.cs
- SystemInformation.cs
- PerformanceCounterPermission.cs
- IndentedWriter.cs
- DecimalConstantAttribute.cs
- BindingMAnagerBase.cs
- SqlReorderer.cs
- DataPagerFieldCollection.cs
- HttpContextBase.cs
- Models.cs
- SapiGrammar.cs
- GeneralTransform3D.cs
- ConditionBrowserDialog.cs
- WmpBitmapDecoder.cs
- MultipleViewProviderWrapper.cs
- StackOverflowException.cs
- ActivityMarkupSerializationProvider.cs
- SettingsBase.cs
- DbConnectionPoolGroupProviderInfo.cs
- X509KeyIdentifierClauseType.cs
- DriveInfo.cs
- FlowNode.cs
- QilXmlWriter.cs
- BuildProvidersCompiler.cs
- SqlFormatter.cs
- ParameterBuilder.cs
- BoundColumn.cs
- EntityConnection.cs
- configsystem.cs
- CharacterBuffer.cs
- StateMachine.cs
- XmlKeywords.cs
- GeneralTransform2DTo3D.cs
- IpcPort.cs