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
- Int32.cs
- Int32AnimationUsingKeyFrames.cs
- URL.cs
- SymmetricAlgorithm.cs
- sqlpipe.cs
- MethodMessage.cs
- DiagnosticSection.cs
- SortDescriptionCollection.cs
- ContentPropertyAttribute.cs
- DataListItemCollection.cs
- DataPagerFieldCollection.cs
- BinaryFormatter.cs
- SHA384.cs
- ServiceElement.cs
- X509CertificateCollection.cs
- SchemaImporterExtensionElement.cs
- SendingRequestEventArgs.cs
- AsymmetricAlgorithm.cs
- RemotingServices.cs
- ProfilePropertySettingsCollection.cs
- QuaternionAnimation.cs
- RtType.cs
- WindowsRebar.cs
- ContextMarshalException.cs
- AssemblyBuilderData.cs
- Timeline.cs
- RowType.cs
- OleDbCommand.cs
- ErrorFormatterPage.cs
- Int32CAMarshaler.cs
- HashRepartitionStream.cs
- ProxyWebPart.cs
- WebPartDisplayModeCollection.cs
- CacheMode.cs
- ProfileSettingsCollection.cs
- ObjRef.cs
- SHA384CryptoServiceProvider.cs
- ThreadNeutralSemaphore.cs
- RichTextBox.cs
- NameTable.cs
- BrowserCapabilitiesFactory.cs
- DataListCommandEventArgs.cs
- BooleanConverter.cs
- ValidatorCollection.cs
- ServerValidateEventArgs.cs
- complextypematerializer.cs
- ComponentCommands.cs
- FloaterParagraph.cs
- ProgressBarAutomationPeer.cs
- Bits.cs
- ExtendedProperty.cs
- Codec.cs
- UnmanagedMemoryStreamWrapper.cs
- ImageCodecInfo.cs
- SqlStream.cs
- EntityViewGenerator.cs
- XmlnsDictionary.cs
- LogAppendAsyncResult.cs
- CommonDialog.cs
- loginstatus.cs
- ConfigurationProperty.cs
- PropertyManager.cs
- EventSourceCreationData.cs
- RoutedPropertyChangedEventArgs.cs
- PropertyChangedEventArgs.cs
- DataGridViewElement.cs
- ToolTip.cs
- CatalogPartChrome.cs
- ConsumerConnectionPointCollection.cs
- UnwrappedTypesXmlSerializerManager.cs
- RenderData.cs
- BinaryNode.cs
- BasicExpandProvider.cs
- ServicePoint.cs
- Coordinator.cs
- Vars.cs
- ISAPIApplicationHost.cs
- FileEnumerator.cs
- RequestTimeoutManager.cs
- MetadataArtifactLoaderCompositeResource.cs
- Menu.cs
- XmlAttribute.cs
- InstancePersistenceCommandException.cs
- PreviewPrintController.cs
- WhitespaceRule.cs
- COM2PictureConverter.cs
- ThicknessAnimationUsingKeyFrames.cs
- TrackingDataItemValue.cs
- MemberRelationshipService.cs
- dbenumerator.cs
- DiscardableAttribute.cs
- UInt32Converter.cs
- XDRSchema.cs
- EventsTab.cs
- Size3DConverter.cs
- BinaryUtilClasses.cs
- MimeFormatExtensions.cs
- SessionPageStateSection.cs
- ContextMenuAutomationPeer.cs
- Lease.cs