Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / wpf / src / Base / MS / Internal / IO / Packaging / CompoundFile / StreamWithDictionary.cs / 1 / StreamWithDictionary.cs
//------------------------------------------------------------------------------ // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // Description: // The object for wrapping a data stream and its associated context // information dictionary. // // History: // 07/05/2002: RogerCh: Initial implementation. // 05/20/2003: RogerCh: Ported to WCP tree. // //----------------------------------------------------------------------------- using System; using System.Collections; using System.IO; namespace MS.Internal.IO.Packaging.CompoundFile { internal class StreamWithDictionary : Stream, IDictionary { Stream baseStream; IDictionary baseDictionary; private bool _disposed; // keep track of if we are disposed internal StreamWithDictionary( Stream wrappedStream, IDictionary wrappedDictionary ) { baseStream = wrappedStream; baseDictionary = wrappedDictionary; } /*************************************************************************/ // Stream members public override bool CanRead { get{ return !_disposed && baseStream.CanRead; }} public override bool CanSeek { get { return !_disposed && baseStream.CanSeek; } } public override bool CanWrite { get { return !_disposed && baseStream.CanWrite; } } public override long Length { get { CheckDisposed(); return baseStream.Length; } } public override long Position { get { CheckDisposed(); return baseStream.Position; } set { CheckDisposed(); baseStream.Position = value; } } public override void Flush() { CheckDisposed(); baseStream.Flush(); } public override long Seek( long offset, SeekOrigin origin ) { CheckDisposed(); return baseStream.Seek(offset, origin); } public override void SetLength( long newLength ) { CheckDisposed(); baseStream.SetLength(newLength); } public override int Read( byte[] buffer, int offset, int count ) { CheckDisposed(); return baseStream.Read(buffer, offset, count); } public override void Write( byte[] buffer, int offset, int count ) { CheckDisposed(); baseStream.Write(buffer, offset, count); } //----------------------------------------------------- // // Protected Methods // //----------------------------------------------------- ////// Dispose(bool) /// /// protected override void Dispose(bool disposing) { try { if (disposing && !_disposed) { _disposed = true; baseStream.Close(); } } finally { base.Dispose(disposing); } } /*************************************************************************/ // IDictionary members bool IDictionary.Contains( object key ) { CheckDisposed(); return baseDictionary.Contains(key); } void IDictionary.Add( object key, object val ) { CheckDisposed(); baseDictionary.Add(key, val); } void IDictionary.Clear() { CheckDisposed(); baseDictionary.Clear(); } IDictionaryEnumerator IDictionary.GetEnumerator() { CheckDisposed(); // IDictionary.GetEnumerator vs. IEnumerable.GetEnumerator? return ((IDictionary)baseDictionary).GetEnumerator(); } void IDictionary.Remove( object key ) { CheckDisposed(); baseDictionary.Remove(key); } object IDictionary.this[ object index ] { get { CheckDisposed(); return baseDictionary[index]; } set { CheckDisposed(); baseDictionary[index] = value; } } ICollection IDictionary.Keys { get { CheckDisposed(); return baseDictionary.Keys; } } ICollection IDictionary.Values { get { CheckDisposed(); return baseDictionary.Values; } } bool IDictionary.IsReadOnly { get { CheckDisposed(); return baseDictionary.IsReadOnly; } } bool IDictionary.IsFixedSize { get { CheckDisposed(); return baseDictionary.IsFixedSize; } } /*************************************************************************/ // ICollection methods void ICollection.CopyTo( Array array, int index ) { CheckDisposed(); ((ICollection)baseDictionary).CopyTo(array, index); } int ICollection.Count { get { CheckDisposed(); return ((ICollection)baseDictionary).Count; } } object ICollection.SyncRoot { get { CheckDisposed(); return ((ICollection)baseDictionary).SyncRoot; } } bool ICollection.IsSynchronized { get { CheckDisposed(); return ((ICollection)baseDictionary).IsSynchronized; } } /*************************************************************************/ // IEnumerable method IEnumerator IEnumerable.GetEnumerator() { CheckDisposed(); return ((IEnumerable)baseDictionary).GetEnumerator(); } ////// Disposed - were we disposed? Offer this to DataSpaceManager so it can do smart flushing /// ///internal bool Disposed { get { return _disposed; } } //------------------------------------------------------ // // Private Methods // //----------------------------------------------------- private void CheckDisposed() { if (_disposed) throw new ObjectDisposedException("Stream"); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //------------------------------------------------------------------------------ // // // Copyright (C) Microsoft Corporation. All rights reserved. // // // Description: // The object for wrapping a data stream and its associated context // information dictionary. // // History: // 07/05/2002: RogerCh: Initial implementation. // 05/20/2003: RogerCh: Ported to WCP tree. // //----------------------------------------------------------------------------- using System; using System.Collections; using System.IO; namespace MS.Internal.IO.Packaging.CompoundFile { internal class StreamWithDictionary : Stream, IDictionary { Stream baseStream; IDictionary baseDictionary; private bool _disposed; // keep track of if we are disposed internal StreamWithDictionary( Stream wrappedStream, IDictionary wrappedDictionary ) { baseStream = wrappedStream; baseDictionary = wrappedDictionary; } /*************************************************************************/ // Stream members public override bool CanRead { get{ return !_disposed && baseStream.CanRead; }} public override bool CanSeek { get { return !_disposed && baseStream.CanSeek; } } public override bool CanWrite { get { return !_disposed && baseStream.CanWrite; } } public override long Length { get { CheckDisposed(); return baseStream.Length; } } public override long Position { get { CheckDisposed(); return baseStream.Position; } set { CheckDisposed(); baseStream.Position = value; } } public override void Flush() { CheckDisposed(); baseStream.Flush(); } public override long Seek( long offset, SeekOrigin origin ) { CheckDisposed(); return baseStream.Seek(offset, origin); } public override void SetLength( long newLength ) { CheckDisposed(); baseStream.SetLength(newLength); } public override int Read( byte[] buffer, int offset, int count ) { CheckDisposed(); return baseStream.Read(buffer, offset, count); } public override void Write( byte[] buffer, int offset, int count ) { CheckDisposed(); baseStream.Write(buffer, offset, count); } //----------------------------------------------------- // // Protected Methods // //----------------------------------------------------- ////// Dispose(bool) /// /// protected override void Dispose(bool disposing) { try { if (disposing && !_disposed) { _disposed = true; baseStream.Close(); } } finally { base.Dispose(disposing); } } /*************************************************************************/ // IDictionary members bool IDictionary.Contains( object key ) { CheckDisposed(); return baseDictionary.Contains(key); } void IDictionary.Add( object key, object val ) { CheckDisposed(); baseDictionary.Add(key, val); } void IDictionary.Clear() { CheckDisposed(); baseDictionary.Clear(); } IDictionaryEnumerator IDictionary.GetEnumerator() { CheckDisposed(); // IDictionary.GetEnumerator vs. IEnumerable.GetEnumerator? return ((IDictionary)baseDictionary).GetEnumerator(); } void IDictionary.Remove( object key ) { CheckDisposed(); baseDictionary.Remove(key); } object IDictionary.this[ object index ] { get { CheckDisposed(); return baseDictionary[index]; } set { CheckDisposed(); baseDictionary[index] = value; } } ICollection IDictionary.Keys { get { CheckDisposed(); return baseDictionary.Keys; } } ICollection IDictionary.Values { get { CheckDisposed(); return baseDictionary.Values; } } bool IDictionary.IsReadOnly { get { CheckDisposed(); return baseDictionary.IsReadOnly; } } bool IDictionary.IsFixedSize { get { CheckDisposed(); return baseDictionary.IsFixedSize; } } /*************************************************************************/ // ICollection methods void ICollection.CopyTo( Array array, int index ) { CheckDisposed(); ((ICollection)baseDictionary).CopyTo(array, index); } int ICollection.Count { get { CheckDisposed(); return ((ICollection)baseDictionary).Count; } } object ICollection.SyncRoot { get { CheckDisposed(); return ((ICollection)baseDictionary).SyncRoot; } } bool ICollection.IsSynchronized { get { CheckDisposed(); return ((ICollection)baseDictionary).IsSynchronized; } } /*************************************************************************/ // IEnumerable method IEnumerator IEnumerable.GetEnumerator() { CheckDisposed(); return ((IEnumerable)baseDictionary).GetEnumerator(); } ////// Disposed - were we disposed? Offer this to DataSpaceManager so it can do smart flushing /// ///internal bool Disposed { get { return _disposed; } } //------------------------------------------------------ // // Private Methods // //----------------------------------------------------- private void CheckDisposed() { if (_disposed) throw new ObjectDisposedException("Stream"); } } } // 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
- TimersDescriptionAttribute.cs
- ProxyWebPartManager.cs
- XmlReflectionMember.cs
- RemotingServices.cs
- XmlReaderSettings.cs
- UserPersonalizationStateInfo.cs
- FunctionImportElement.cs
- Rectangle.cs
- DataControlFieldCell.cs
- InfiniteTimeSpanConverter.cs
- InvokeBase.cs
- EncoderParameter.cs
- BinaryExpression.cs
- figurelengthconverter.cs
- EmptyReadOnlyDictionaryInternal.cs
- KeyGestureConverter.cs
- GeneratedContractType.cs
- ICspAsymmetricAlgorithm.cs
- RequestBringIntoViewEventArgs.cs
- RectKeyFrameCollection.cs
- WindowsStatic.cs
- ImageAnimator.cs
- ClickablePoint.cs
- WindowsListViewItem.cs
- InternalBase.cs
- CodeDirectionExpression.cs
- DataGridViewUtilities.cs
- RetriableClipboard.cs
- TableItemProviderWrapper.cs
- MethodRental.cs
- OleDbReferenceCollection.cs
- securitycriticaldataformultiplegetandset.cs
- ExceptionUtil.cs
- ConfigurationSchemaErrors.cs
- StoreContentChangedEventArgs.cs
- Number.cs
- MarkupCompilePass1.cs
- RepeatBehavior.cs
- EmptyReadOnlyDictionaryInternal.cs
- XmlRootAttribute.cs
- ScalarOps.cs
- Button.cs
- JoinCqlBlock.cs
- AdapterSwitches.cs
- BaseComponentEditor.cs
- RefreshEventArgs.cs
- TextFormatterHost.cs
- DataColumnCollection.cs
- DirectoryInfo.cs
- SqlRowUpdatedEvent.cs
- Figure.cs
- XmlComment.cs
- EventMappingSettings.cs
- ClientOperation.cs
- MenuRenderer.cs
- DataColumnMappingCollection.cs
- ObjectQueryExecutionPlan.cs
- BamlLocalizableResource.cs
- PathSegmentCollection.cs
- CommandEventArgs.cs
- SmtpFailedRecipientsException.cs
- CheckBoxBaseAdapter.cs
- MulticastDelegate.cs
- RuleSettings.cs
- LocatorManager.cs
- List.cs
- ConfigXmlSignificantWhitespace.cs
- UriTemplateVariableQueryValue.cs
- DesigntimeLicenseContextSerializer.cs
- mediaeventargs.cs
- Path.cs
- CompilationSection.cs
- StyleXamlTreeBuilder.cs
- CodeDOMProvider.cs
- FaultDescription.cs
- TemplateBindingExtensionConverter.cs
- XmlSchemaDatatype.cs
- TrackPointCollection.cs
- TabletCollection.cs
- ComPlusServiceLoader.cs
- WizardPanel.cs
- FlowDocumentFormatter.cs
- GlyphingCache.cs
- CrossAppDomainChannel.cs
- GridViewRowEventArgs.cs
- XmlHierarchyData.cs
- SmtpNegotiateAuthenticationModule.cs
- SelectionRangeConverter.cs
- CustomError.cs
- MultipleViewProviderWrapper.cs
- EntityContainerEntitySet.cs
- DrawToolTipEventArgs.cs
- BaseCAMarshaler.cs
- Lock.cs
- ComPlusInstanceProvider.cs
- BaseParaClient.cs
- SqlProvider.cs
- ScriptReferenceBase.cs
- TextTreeTextBlock.cs
- Matrix3DConverter.cs