Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / Data / System / Data / SqlClient / SqlClientWrapperSmiStreamChars.cs / 1 / SqlClientWrapperSmiStreamChars.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //[....] //----------------------------------------------------------------------------- namespace Microsoft.SqlServer.Server { using System; using System.Data.Common; using System.Data.SqlClient; using System.Data.SqlTypes; using System.Diagnostics; using System.IO; // Simple SqlStreamChars wrapper over SmiStream that handles server events on the // SqlClient side of Smi internal class SqlClientWrapperSmiStreamChars : SqlStreamChars { private SmiEventSink_Default _sink; private SmiStream _stream; internal SqlClientWrapperSmiStreamChars( SmiEventSink_Default sink, SmiStream stream ) { Debug.Assert( null != sink ); Debug.Assert( null != stream ); _sink = sink; _stream = stream; } public override bool IsNull { get { return null == _stream; } } public override bool CanRead { get { return _stream.CanRead; } } // If CanSeek is false, Position, Seek, Length, and SetLength should throw. public override bool CanSeek { get { return _stream.CanSeek; } } public override bool CanWrite { get { return _stream.CanWrite; } } public override long Length { get { long length = _stream.GetLength( _sink ); _sink.ProcessMessagesAndThrow(); if ( length > 0 ) return length / sizeof( char ); else return length; } } public override long Position { get { long position = _stream.GetPosition( _sink ) / sizeof( char ); _sink.ProcessMessagesAndThrow(); return position; } set { if ( value < 0 ) { throw ADP.ArgumentOutOfRange("Position"); } _stream.SetPosition( _sink, value * sizeof( char ) ); _sink.ProcessMessagesAndThrow(); } } public override void Flush() { _stream.Flush( _sink ); _sink.ProcessMessagesAndThrow(); } public override long Seek(long offset, SeekOrigin origin) { long result = _stream.Seek( _sink, offset * sizeof( char ), origin ); _sink.ProcessMessagesAndThrow(); return result; } public override void SetLength(long value) { if ( value < 0 ) { throw ADP.ArgumentOutOfRange("value"); } _stream.SetLength( _sink, value * sizeof( char ) ); _sink.ProcessMessagesAndThrow(); } public override int Read(char[] buffer, int offset, int count) { int bytesRead = _stream.Read( _sink, buffer, offset * sizeof( char ), count ); _sink.ProcessMessagesAndThrow(); return bytesRead; } public override void Write(char[] buffer, int offset, int count) { _stream.Write( _sink, buffer, offset, count ); _sink.ProcessMessagesAndThrow(); } // Convenience methods to allow simple pulling/pushing of raw bytes internal int Read(byte[] buffer, int offset, int count) { int bytesRead = _stream.Read( _sink, buffer, offset, count ); _sink.ProcessMessagesAndThrow(); return bytesRead; } internal void Write(byte[] buffer, int offset, int count) { _stream.Write( _sink, buffer, offset, count ); _sink.ProcessMessagesAndThrow(); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
![Network programming in C#, Network Programming in VB.NET, Network Programming in .NET](/images/book.jpg)
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- bidPrivateBase.cs
- HistoryEventArgs.cs
- DocumentViewer.cs
- ArrayWithOffset.cs
- ExpressionNormalizer.cs
- AutomationAttributeInfo.cs
- Ipv6Element.cs
- CompiledRegexRunnerFactory.cs
- SingleSelectRootGridEntry.cs
- SettingsContext.cs
- login.cs
- HttpModulesSection.cs
- FixedTextContainer.cs
- MemberExpressionHelper.cs
- SortableBindingList.cs
- WSHttpBindingElement.cs
- ActionNotSupportedException.cs
- WebPart.cs
- connectionpool.cs
- SingleResultAttribute.cs
- MetadataCache.cs
- IntegrationExceptionEventArgs.cs
- TypeDelegator.cs
- Pair.cs
- InstanceStoreQueryResult.cs
- CheckBoxFlatAdapter.cs
- ReadOnlyDataSource.cs
- OptimalTextSource.cs
- EmptyEnumerator.cs
- CurrentChangedEventManager.cs
- BufferModesCollection.cs
- TypeForwardedToAttribute.cs
- StringBuilder.cs
- XhtmlTextWriter.cs
- InternalRelationshipCollection.cs
- CollectionDataContractAttribute.cs
- ImageClickEventArgs.cs
- AdCreatedEventArgs.cs
- AssemblySettingAttributes.cs
- HostExecutionContextManager.cs
- TableLayoutCellPaintEventArgs.cs
- DefaultHttpHandler.cs
- PropertyInfoSet.cs
- CommandEventArgs.cs
- ListViewHitTestInfo.cs
- FontFamily.cs
- DataGrid.cs
- AssemblyFilter.cs
- CodeCommentStatement.cs
- DaylightTime.cs
- XPathDocumentBuilder.cs
- Rule.cs
- RenderData.cs
- HighlightComponent.cs
- Subtree.cs
- StructuralObject.cs
- CreateUserErrorEventArgs.cs
- TypeEnumerableViewSchema.cs
- X509ServiceCertificateAuthenticationElement.cs
- TimeoutTimer.cs
- BinaryUtilClasses.cs
- TcpHostedTransportConfiguration.cs
- CookielessHelper.cs
- AnnotationMap.cs
- CharAnimationUsingKeyFrames.cs
- Cursor.cs
- Oid.cs
- FrameSecurityDescriptor.cs
- DateTimeOffset.cs
- DiffuseMaterial.cs
- UInt64.cs
- BindingGroup.cs
- SqlFunctionAttribute.cs
- QilFactory.cs
- EventManager.cs
- XmlTypeAttribute.cs
- RotateTransform3D.cs
- MediaContextNotificationWindow.cs
- DateTimeValueSerializerContext.cs
- DefaultShape.cs
- HostingEnvironmentSection.cs
- SvcMapFileLoader.cs
- TranslateTransform3D.cs
- DataGridParentRows.cs
- keycontainerpermission.cs
- CLSCompliantAttribute.cs
- SchemaCollectionCompiler.cs
- FrameworkElementAutomationPeer.cs
- DataFormat.cs
- UserControlAutomationPeer.cs
- ReflectPropertyDescriptor.cs
- CustomCategoryAttribute.cs
- DataGridViewCellFormattingEventArgs.cs
- RuntimeWrappedException.cs
- GridViewSortEventArgs.cs
- wgx_render.cs
- ValuePattern.cs
- TableCellsCollectionEditor.cs
- LinkArea.cs
- EraserBehavior.cs