Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / Data / System / Data / OleDb / OleDbReferenceCollection.cs / 1 / OleDbReferenceCollection.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //[....] //----------------------------------------------------------------------------- namespace System.Data.OleDb { using System; using System.Data; using System.Data.Common; using System.Data.ProviderBase; using System.Diagnostics; using System.Runtime.InteropServices; sealed internal class OleDbReferenceCollection : DbReferenceCollection { internal const int Closing = 0; internal const int Canceling = -1; internal const int CommandTag = 1; internal const int DataReaderTag = 2; override public void Add(object value, int tag) { base.AddItem(value, tag); } override protected bool NotifyItem(int message, int tag, object value) { bool canceling = (Canceling == message); if (CommandTag == tag) { ((OleDbCommand) value).CloseCommandFromConnection(canceling); } else if (DataReaderTag == tag) { ((OleDbDataReader) value).CloseReaderFromConnection(canceling); } else { Debug.Assert(false, "shouldn't be here"); } return false; // remove it from the collection } override public void Remove(object value) { base.RemoveItem(value); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //[....] //----------------------------------------------------------------------------- namespace System.Data.OleDb { using System; using System.Data; using System.Data.Common; using System.Data.ProviderBase; using System.Diagnostics; using System.Runtime.InteropServices; sealed internal class OleDbReferenceCollection : DbReferenceCollection { internal const int Closing = 0; internal const int Canceling = -1; internal const int CommandTag = 1; internal const int DataReaderTag = 2; override public void Add(object value, int tag) { base.AddItem(value, tag); } override protected bool NotifyItem(int message, int tag, object value) { bool canceling = (Canceling == message); if (CommandTag == tag) { ((OleDbCommand) value).CloseCommandFromConnection(canceling); } else if (DataReaderTag == tag) { ((OleDbDataReader) value).CloseReaderFromConnection(canceling); } else { Debug.Assert(false, "shouldn't be here"); } return false; // remove it from the collection } override public void Remove(object value) { base.RemoveItem(value); } } } // 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
- LayoutEditorPart.cs
- SqlDataSourceCustomCommandPanel.cs
- AsymmetricAlgorithm.cs
- MediaContextNotificationWindow.cs
- GeometryCollection.cs
- CommandEventArgs.cs
- CompilerGeneratedAttribute.cs
- TemplateColumn.cs
- SettingsSavedEventArgs.cs
- LambdaCompiler.Lambda.cs
- RegexBoyerMoore.cs
- DocumentSignatureManager.cs
- DynamicFilter.cs
- WindowsScrollBarBits.cs
- TemplateNodeContextMenu.cs
- EntityTransaction.cs
- VirtualPathProvider.cs
- ActivityStateQuery.cs
- QueryOperatorEnumerator.cs
- ControlOperationInvoker.cs
- ConnectionStringsSection.cs
- ToolStripItemDesigner.cs
- SqlCommand.cs
- SystemUnicastIPAddressInformation.cs
- XmlWhitespace.cs
- Environment.cs
- XamlWriterExtensions.cs
- AuthenticateEventArgs.cs
- ProviderConnectionPoint.cs
- BoundsDrawingContextWalker.cs
- GridViewUpdatedEventArgs.cs
- XmlObjectSerializerWriteContext.cs
- QueryExpr.cs
- FixedTextContainer.cs
- ValidationEventArgs.cs
- DataColumnPropertyDescriptor.cs
- ImageAnimator.cs
- RemoveFromCollection.cs
- Lease.cs
- Figure.cs
- MonthCalendar.cs
- ContextQuery.cs
- BaseServiceProvider.cs
- IListConverters.cs
- EnumerableCollectionView.cs
- XsdValidatingReader.cs
- AnnotationComponentManager.cs
- AdditionalEntityFunctions.cs
- DbDataSourceEnumerator.cs
- SqlCommandAsyncResult.cs
- DiagnosticTrace.cs
- WpfXamlType.cs
- IteratorFilter.cs
- BamlResourceSerializer.cs
- UTF7Encoding.cs
- MsmqIntegrationAppDomainProtocolHandler.cs
- SystemShuttingDownException.cs
- ComponentResourceManager.cs
- KeyedCollection.cs
- SecurityElement.cs
- UnsettableComboBox.cs
- RijndaelManaged.cs
- DispatcherProcessingDisabled.cs
- IList.cs
- XmlSchemaCollection.cs
- TimeSpanStorage.cs
- WebPartMenu.cs
- StringSource.cs
- X509Utils.cs
- RuntimeIdentifierPropertyAttribute.cs
- BinaryParser.cs
- RepeatBehavior.cs
- ButtonFlatAdapter.cs
- DeviceContext2.cs
- SqlCommandBuilder.cs
- ImmutableAssemblyCacheEntry.cs
- ApplyTemplatesAction.cs
- EventBuilder.cs
- CopyOnWriteList.cs
- CqlIdentifiers.cs
- WizardForm.cs
- Byte.cs
- ExpressionBindingCollection.cs
- CodeTypeDeclaration.cs
- PropertyMapper.cs
- HttpCookiesSection.cs
- DbFunctionCommandTree.cs
- X509RecipientCertificateClientElement.cs
- CustomLineCap.cs
- SubqueryTrackingVisitor.cs
- SubclassTypeValidatorAttribute.cs
- PageTheme.cs
- DetailsViewPagerRow.cs
- MulticastNotSupportedException.cs
- ListViewSortEventArgs.cs
- CommandValueSerializer.cs
- SqlRewriteScalarSubqueries.cs
- PersistenceTypeAttribute.cs
- DefaultProfileManager.cs
- SessionStateUtil.cs