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
- FormsAuthenticationUser.cs
- TCPClient.cs
- ScriptManager.cs
- TreeView.cs
- BaseCodePageEncoding.cs
- RTLAwareMessageBox.cs
- ReadOnlyCollectionBuilder.cs
- InternalTypeHelper.cs
- StrokeRenderer.cs
- Effect.cs
- QilVisitor.cs
- StoreAnnotationsMap.cs
- DataControlHelper.cs
- HandlerFactoryCache.cs
- WindowsFormsDesignerOptionService.cs
- LowerCaseStringConverter.cs
- LineSegment.cs
- ContentDisposition.cs
- DetailsViewDeletedEventArgs.cs
- QuadraticBezierSegment.cs
- SevenBitStream.cs
- SqlTransaction.cs
- ContentPresenter.cs
- OneOfTypeConst.cs
- SafeNativeMethods.cs
- TypeFieldSchema.cs
- ImageFormatConverter.cs
- NativeRightsManagementAPIsStructures.cs
- ContextMenuAutomationPeer.cs
- MappingMetadataHelper.cs
- ZipIOZip64EndOfCentralDirectoryBlock.cs
- FileDialogCustomPlacesCollection.cs
- SafeUserTokenHandle.cs
- Normalizer.cs
- OdbcException.cs
- TypeConverterValueSerializer.cs
- XmlSerializationReader.cs
- IdentitySection.cs
- OleServicesContext.cs
- ProfileInfo.cs
- FileSystemEventArgs.cs
- QuotedStringFormatReader.cs
- CopyCodeAction.cs
- HttpDictionary.cs
- GenericUI.cs
- StoreItemCollection.Loader.cs
- SelectionEditor.cs
- WaitHandle.cs
- ExitEventArgs.cs
- RowType.cs
- Misc.cs
- WebReferencesBuildProvider.cs
- StrongNameKeyPair.cs
- MachineKeyValidationConverter.cs
- WindowPattern.cs
- Function.cs
- SiteMapHierarchicalDataSourceView.cs
- CreateSequenceResponse.cs
- RotateTransform.cs
- BufferedGraphicsManager.cs
- FloaterParagraph.cs
- TextLineResult.cs
- PackageDigitalSignatureManager.cs
- TdsEnums.cs
- HttpChannelListener.cs
- UrlPath.cs
- SyncOperationState.cs
- FileRecordSequenceCompletedAsyncResult.cs
- GridViewSortEventArgs.cs
- StrokeCollection2.cs
- StandardBindingElementCollection.cs
- ToolTipService.cs
- ConnectionPoolManager.cs
- SharedDp.cs
- SystemIcmpV4Statistics.cs
- TagNameToTypeMapper.cs
- ExtendedPropertyDescriptor.cs
- XmlSchemaImporter.cs
- BindableAttribute.cs
- AnonymousIdentificationSection.cs
- MimeFormatter.cs
- AbandonedMutexException.cs
- ResXResourceWriter.cs
- EntityCommandDefinition.cs
- XpsSerializerWriter.cs
- CancellableEnumerable.cs
- ControlValuePropertyAttribute.cs
- TemplateApplicationHelper.cs
- DataGridViewAccessibleObject.cs
- SmiEventSink_Default.cs
- tibetanshape.cs
- SerialErrors.cs
- CodeDirectoryCompiler.cs
- HwndSourceParameters.cs
- DataGridViewHeaderCell.cs
- ExtentCqlBlock.cs
- ISAPIWorkerRequest.cs
- XPathSelfQuery.cs
- PrincipalPermission.cs
- RIPEMD160Managed.cs