Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / clr / src / BCL / System / Collections / EmptyReadOnlyDictionaryInternal.cs / 1305376 / EmptyReadOnlyDictionaryInternal.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== /*============================================================ ** ** Class: EmptyReadOnlyDictionaryInternal ** **[....] ** ** ** Purpose: List for exceptions. ** ** ===========================================================*/ using System.Diagnostics.Contracts; namespace System.Collections { /// This is a simple implementation of IDictionary that is empty and readonly. [Serializable] internal sealed class EmptyReadOnlyDictionaryInternal: IDictionary { // Note that this class must be agile with respect to AppDomains. See its usage in // System.Exception to understand why this is the case. public EmptyReadOnlyDictionaryInternal() { } // IEnumerable members IEnumerator IEnumerable.GetEnumerator() { return new NodeEnumerator(); } // ICollection members public void CopyTo(Array array, int index) { if (array==null) throw new ArgumentNullException("array"); if (array.Rank != 1) throw new ArgumentException(Environment.GetResourceString("Arg_RankMultiDimNotSupported")); if (index < 0) throw new ArgumentOutOfRangeException("index", Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum")); if ( array.Length - index < this.Count ) throw new ArgumentException( Environment.GetResourceString("ArgumentOutOfRange_Index"), "index"); Contract.EndContractBlock(); // the actual copy is a NOP } public int Count { get { return 0; } } public Object SyncRoot { get { return this; } } public bool IsSynchronized { get { return false; } } // IDictionary members public Object this[Object key] { get { if (key == null) { throw new ArgumentNullException("key", Environment.GetResourceString("ArgumentNull_Key")); } Contract.EndContractBlock(); return null; } set { if (key == null) { throw new ArgumentNullException("key", Environment.GetResourceString("ArgumentNull_Key")); } if (!key.GetType().IsSerializable) throw new ArgumentException(Environment.GetResourceString("Argument_NotSerializable"), "key"); if( (value != null) && (!value.GetType().IsSerializable ) ) throw new ArgumentException(Environment.GetResourceString("Argument_NotSerializable"), "value"); Contract.EndContractBlock(); throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_ReadOnly")); } } public ICollection Keys { get { return new Object[0]; } } public ICollection Values { get { return new Object[0]; } } public bool Contains(Object key) { return false; } public void Add(Object key, Object value) { if (key == null) { throw new ArgumentNullException("key", Environment.GetResourceString("ArgumentNull_Key")); } if (!key.GetType().IsSerializable) throw new ArgumentException(Environment.GetResourceString("Argument_NotSerializable"), "key" ); if( (value != null) && (!value.GetType().IsSerializable) ) throw new ArgumentException(Environment.GetResourceString("Argument_NotSerializable"), "value"); Contract.EndContractBlock(); throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_ReadOnly")); } public void Clear() { throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_ReadOnly")); } public bool IsReadOnly { get { return true; } } public bool IsFixedSize { get { return true; } } public IDictionaryEnumerator GetEnumerator() { return new NodeEnumerator(); } public void Remove(Object key) { throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_ReadOnly")); } private sealed class NodeEnumerator : IDictionaryEnumerator { public NodeEnumerator() { } // IEnumerator members public bool MoveNext() { return false; } public Object Current { get { throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_EnumOpCantHappen")); } } public void Reset() { } // IDictionaryEnumerator members public Object Key { get { throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_EnumOpCantHappen")); } } public Object Value { get { throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_EnumOpCantHappen")); } } public DictionaryEntry Entry { get { throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_EnumOpCantHappen")); } } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== /*============================================================ ** ** Class: EmptyReadOnlyDictionaryInternal ** **[....] ** ** ** Purpose: List for exceptions. ** ** ===========================================================*/ using System.Diagnostics.Contracts; namespace System.Collections { /// This is a simple implementation of IDictionary that is empty and readonly. [Serializable] internal sealed class EmptyReadOnlyDictionaryInternal: IDictionary { // Note that this class must be agile with respect to AppDomains. See its usage in // System.Exception to understand why this is the case. public EmptyReadOnlyDictionaryInternal() { } // IEnumerable members IEnumerator IEnumerable.GetEnumerator() { return new NodeEnumerator(); } // ICollection members public void CopyTo(Array array, int index) { if (array==null) throw new ArgumentNullException("array"); if (array.Rank != 1) throw new ArgumentException(Environment.GetResourceString("Arg_RankMultiDimNotSupported")); if (index < 0) throw new ArgumentOutOfRangeException("index", Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum")); if ( array.Length - index < this.Count ) throw new ArgumentException( Environment.GetResourceString("ArgumentOutOfRange_Index"), "index"); Contract.EndContractBlock(); // the actual copy is a NOP } public int Count { get { return 0; } } public Object SyncRoot { get { return this; } } public bool IsSynchronized { get { return false; } } // IDictionary members public Object this[Object key] { get { if (key == null) { throw new ArgumentNullException("key", Environment.GetResourceString("ArgumentNull_Key")); } Contract.EndContractBlock(); return null; } set { if (key == null) { throw new ArgumentNullException("key", Environment.GetResourceString("ArgumentNull_Key")); } if (!key.GetType().IsSerializable) throw new ArgumentException(Environment.GetResourceString("Argument_NotSerializable"), "key"); if( (value != null) && (!value.GetType().IsSerializable ) ) throw new ArgumentException(Environment.GetResourceString("Argument_NotSerializable"), "value"); Contract.EndContractBlock(); throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_ReadOnly")); } } public ICollection Keys { get { return new Object[0]; } } public ICollection Values { get { return new Object[0]; } } public bool Contains(Object key) { return false; } public void Add(Object key, Object value) { if (key == null) { throw new ArgumentNullException("key", Environment.GetResourceString("ArgumentNull_Key")); } if (!key.GetType().IsSerializable) throw new ArgumentException(Environment.GetResourceString("Argument_NotSerializable"), "key" ); if( (value != null) && (!value.GetType().IsSerializable) ) throw new ArgumentException(Environment.GetResourceString("Argument_NotSerializable"), "value"); Contract.EndContractBlock(); throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_ReadOnly")); } public void Clear() { throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_ReadOnly")); } public bool IsReadOnly { get { return true; } } public bool IsFixedSize { get { return true; } } public IDictionaryEnumerator GetEnumerator() { return new NodeEnumerator(); } public void Remove(Object key) { throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_ReadOnly")); } private sealed class NodeEnumerator : IDictionaryEnumerator { public NodeEnumerator() { } // IEnumerator members public bool MoveNext() { return false; } public Object Current { get { throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_EnumOpCantHappen")); } } public void Reset() { } // IDictionaryEnumerator members public Object Key { get { throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_EnumOpCantHappen")); } } public Object Value { get { throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_EnumOpCantHappen")); } } public DictionaryEntry Entry { get { throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_EnumOpCantHappen")); } } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu

This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- CultureInfoConverter.cs
- UniqueIdentifierService.cs
- OrCondition.cs
- AutomationPropertyInfo.cs
- PackageRelationshipCollection.cs
- Repeater.cs
- CommandConverter.cs
- DataKeyCollection.cs
- XmlILConstructAnalyzer.cs
- RequestCacheEntry.cs
- CapabilitiesUse.cs
- DynamicDataExtensions.cs
- Quaternion.cs
- TypographyProperties.cs
- StrictAndMessageFilter.cs
- ToolStripDropDownClosingEventArgs.cs
- MobileCategoryAttribute.cs
- X509WindowsSecurityToken.cs
- TrustLevel.cs
- DataGridToolTip.cs
- ActivityMarkupSerializationProvider.cs
- DebugInfoExpression.cs
- ZipIOModeEnforcingStream.cs
- PtsContext.cs
- WindowPattern.cs
- CqlBlock.cs
- DefaultTextStore.cs
- PropagationProtocolsTracing.cs
- ThreadPool.cs
- COM2ComponentEditor.cs
- ChildChangedEventArgs.cs
- MasterPageParser.cs
- AuthorizationRule.cs
- WindowsMenu.cs
- EntityParameterCollection.cs
- ReflectionHelper.cs
- BlurBitmapEffect.cs
- CompositeCollection.cs
- CollectionViewSource.cs
- AsymmetricKeyExchangeFormatter.cs
- Lease.cs
- DisplayMemberTemplateSelector.cs
- CompilerInfo.cs
- NullableDecimalMinMaxAggregationOperator.cs
- QuaternionAnimation.cs
- LambdaCompiler.Statements.cs
- GenericTextProperties.cs
- PropertyPath.cs
- hresults.cs
- ReadWriteObjectLock.cs
- ValidatorAttribute.cs
- _DisconnectOverlappedAsyncResult.cs
- ProcessModuleDesigner.cs
- WebPartZoneAutoFormat.cs
- AllMembershipCondition.cs
- NativeObjectSecurity.cs
- PropertyInformation.cs
- BrushMappingModeValidation.cs
- HtmlInputReset.cs
- exports.cs
- TextStore.cs
- ListViewItemEventArgs.cs
- PrePrepareMethodAttribute.cs
- DataGridViewCellPaintingEventArgs.cs
- SecurityTokenInclusionMode.cs
- DataControlFieldHeaderCell.cs
- DrawingImage.cs
- ChangePassword.cs
- CollectionViewGroupRoot.cs
- IdentityHolder.cs
- AssociatedControlConverter.cs
- StatusBarDrawItemEvent.cs
- TextChangedEventArgs.cs
- WebServiceReceiveDesigner.cs
- EtwTrace.cs
- CreatingCookieEventArgs.cs
- BasicExpressionVisitor.cs
- SoapSchemaMember.cs
- DataObjectSettingDataEventArgs.cs
- COM2ExtendedTypeConverter.cs
- OutputCacheSettings.cs
- VisualStyleInformation.cs
- WorkflowInstance.cs
- XmlnsDefinitionAttribute.cs
- DesigntimeLicenseContextSerializer.cs
- CustomLineCap.cs
- FromRequest.cs
- ToolStripPanelRow.cs
- ListViewCommandEventArgs.cs
- RuntimeCompatibilityAttribute.cs
- BufferedGraphicsContext.cs
- XmlComplianceUtil.cs
- SoapReflectionImporter.cs
- ConfigurationManagerHelper.cs
- DataRowExtensions.cs
- ImageField.cs
- XmlTextReader.cs
- MasterPageCodeDomTreeGenerator.cs
- InteropEnvironment.cs
- SourceLocation.cs