Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / Configuration / System / Configuration / SimpleBitVector32.cs / 1 / SimpleBitVector32.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Configuration { using System; // // This is a cut down copy of System.Collections.Specialized.BitVector32. The // reason this is here is because it is used rather intensively by Control and // WebControl. As a result, being able to inline this operations results in a // measurable performance gain, at the expense of some maintainability. // [Serializable] internal struct SimpleBitVector32 { private int data; internal SimpleBitVector32(int data) { this.data = data; } internal int Data { get { return data; } #if UNUSED_CODE set { data = value; } #endif } internal bool this[int bit] { get { return (data & bit) == bit; } set { int _data = data; if(value) { data = _data | bit; } else { data = _data & ~bit; } } } #if UNUSED_CODE internal void Set(int bit) { data |= bit; } internal void Clear(int bit) { data &= ~bit; } internal void Toggle(int bit) { data ^= bit; } /* * COPY_FLAG copies the value of flags from a source field * into a destination field. * * In the macro: * + "&flag" limits the outer xor operation to just the flag we're interested in. * + These are the results of the two xor operations: * * fieldDst fieldSrc inner xor outer xor * 0 0 0 0 * 0 1 1 1 * 1 0 1 0 * 1 1 0 1 */ internal void Copy(SimpleBitVector32 src, int bit) { data ^= (data ^ src.data) & bit; } #endif } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Configuration { using System; // // This is a cut down copy of System.Collections.Specialized.BitVector32. The // reason this is here is because it is used rather intensively by Control and // WebControl. As a result, being able to inline this operations results in a // measurable performance gain, at the expense of some maintainability. // [Serializable] internal struct SimpleBitVector32 { private int data; internal SimpleBitVector32(int data) { this.data = data; } internal int Data { get { return data; } #if UNUSED_CODE set { data = value; } #endif } internal bool this[int bit] { get { return (data & bit) == bit; } set { int _data = data; if(value) { data = _data | bit; } else { data = _data & ~bit; } } } #if UNUSED_CODE internal void Set(int bit) { data |= bit; } internal void Clear(int bit) { data &= ~bit; } internal void Toggle(int bit) { data ^= bit; } /* * COPY_FLAG copies the value of flags from a source field * into a destination field. * * In the macro: * + "&flag" limits the outer xor operation to just the flag we're interested in. * + These are the results of the two xor operations: * * fieldDst fieldSrc inner xor outer xor * 0 0 0 0 * 0 1 1 1 * 1 0 1 0 * 1 1 0 1 */ internal void Copy(SimpleBitVector32 src, int bit) { data ^= (data ^ src.data) & bit; } #endif } } // 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
- StartUpEventArgs.cs
- UxThemeWrapper.cs
- UIElementAutomationPeer.cs
- GridViewUpdatedEventArgs.cs
- Expr.cs
- XmlSerializerVersionAttribute.cs
- FontStyles.cs
- BackgroundWorker.cs
- TypeSemantics.cs
- Label.cs
- XamlStyleSerializer.cs
- WebPartExportVerb.cs
- ProfessionalColorTable.cs
- fixedPageContentExtractor.cs
- BoundingRectTracker.cs
- GridEntryCollection.cs
- COMException.cs
- EndPoint.cs
- DataSourceView.cs
- MsmqIntegrationAppDomainProtocolHandler.cs
- DataSetMappper.cs
- SafeFileMapViewHandle.cs
- DataSourceProvider.cs
- ObjectQueryState.cs
- SecurityUniqueId.cs
- ConstNode.cs
- Point3DCollection.cs
- TypeUtils.cs
- Border.cs
- PackageRelationshipCollection.cs
- ObjectDisposedException.cs
- PerfCounterSection.cs
- RijndaelManaged.cs
- DataGridCheckBoxColumn.cs
- XamlFigureLengthSerializer.cs
- ObjectResult.cs
- CaseInsensitiveOrdinalStringComparer.cs
- DataServiceQueryException.cs
- webproxy.cs
- ListViewCommandEventArgs.cs
- ColorContext.cs
- InternalControlCollection.cs
- TextServicesLoader.cs
- DictionarySectionHandler.cs
- CompilationPass2Task.cs
- SoapReflectionImporter.cs
- returneventsaver.cs
- ChildrenQuery.cs
- SerTrace.cs
- ElementHost.cs
- WeakReferenceEnumerator.cs
- FormatException.cs
- ProcessHostServerConfig.cs
- newinstructionaction.cs
- MessageSecurityTokenVersion.cs
- SearchForVirtualItemEventArgs.cs
- DirectoryNotFoundException.cs
- CodeDelegateInvokeExpression.cs
- DbProviderFactories.cs
- Selector.cs
- StrongBox.cs
- BinaryWriter.cs
- CompilerErrorCollection.cs
- CompiledQueryCacheEntry.cs
- ExpandSegment.cs
- GenericTextProperties.cs
- SqlMethods.cs
- ISO2022Encoding.cs
- FamilyCollection.cs
- assertwrapper.cs
- SuppressMergeCheckAttribute.cs
- IgnorePropertiesAttribute.cs
- PersonalizationStateQuery.cs
- FileDialogCustomPlacesCollection.cs
- FontConverter.cs
- ArraySortHelper.cs
- SqlPersistenceWorkflowInstanceDescription.cs
- PackagingUtilities.cs
- ErrorWrapper.cs
- FixedDocumentPaginator.cs
- ConfigurationStrings.cs
- lengthconverter.cs
- PropertyMapper.cs
- AutomationTextAttribute.cs
- EventData.cs
- SafeFileMappingHandle.cs
- XmlSchemaValidator.cs
- SerializableReadOnlyDictionary.cs
- VersionedStream.cs
- MetafileHeaderEmf.cs
- PictureBox.cs
- Parsers.cs
- StorageFunctionMapping.cs
- PrefixHandle.cs
- Hex.cs
- SchemaTableColumn.cs
- WebPartConnectionsEventArgs.cs
- EncoderBestFitFallback.cs
- QueryOperator.cs
- FieldBuilder.cs