Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Net / System / Net / WebException.cs / 1305376 / WebException.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Net { using System; using System.Diagnostics.CodeAnalysis; using System.Runtime.Serialization; using System.Security.Permissions; /*++ Abstract: Contains the defintion for the WebException object. This is a subclass of Exception that contains a WebExceptionStatus and possible a reference to a WebResponse. --*/ ////// [Serializable] public class WebException : InvalidOperationException, ISerializable { private WebExceptionStatus m_Status = WebExceptionStatus.UnknownError; //Should be changed to GeneralFailure; private WebResponse m_Response; [NonSerialized] private WebExceptionInternalStatus m_InternalStatus = WebExceptionInternalStatus.RequestFatal; ////// Provides network communication exceptions to the application. /// /// This is the exception that is thrown by WebRequests when something untoward /// happens. It's a subclass of WebException that contains a WebExceptionStatus and possibly /// a reference to a WebResponse. The WebResponse is only present if we actually /// have a response from the remote server. /// ////// public WebException() { } ////// Creates a new instance of the ////// class with the default status /// from the /// values. /// /// public WebException(string message) : this(message, null) { } ////// Creates a new instance of the ///class with the specified error /// message. /// /// public WebException(string message, Exception innerException) : base(message, innerException) { } public WebException(string message, WebExceptionStatus status) : this(message, null, status, null) { } ////// Creates a new instance of the ///class with the specified error /// message and nested exception. /// /// Message - Message string for exception. /// InnerException - Exception that caused this exception. /// /// /// internal WebException(string message, WebExceptionStatus status, WebExceptionInternalStatus internalStatus, Exception innerException) : this(message, innerException, status, null, internalStatus) { } ////// Creates a new instance of the ///class with the specified error /// message and status. /// /// Message - Message string for exception. /// Status - Network status of exception /// /// public WebException(string message, Exception innerException, WebExceptionStatus status, WebResponse response) : this(message, null, innerException, status, response) { } internal WebException(string message, string data, Exception innerException, WebExceptionStatus status, WebResponse response) : base(message + (data != null ? ": '" + data + "'" : ""), innerException) { m_Status = status; m_Response = response; } internal WebException(string message, Exception innerException, WebExceptionStatus status, WebResponse response, WebExceptionInternalStatus internalStatus) : this(message, null, innerException, status, response, internalStatus) { } internal WebException(string message, string data, Exception innerException, WebExceptionStatus status, WebResponse response, WebExceptionInternalStatus internalStatus) : base(message + (data != null ? ": '" + data + "'" : ""), innerException) { m_Status = status; m_Response = response; m_InternalStatus = internalStatus; } protected WebException(SerializationInfo serializationInfo, StreamingContext streamingContext) : base(serializationInfo, streamingContext) { // m_Status = (WebExceptionStatus)serializationInfo.GetInt32("Status"); // m_InternalStatus = (WebExceptionInternalStatus)serializationInfo.GetInt32("InternalStatus"); } ////// Creates a new instance of the ///class with the specified error /// message, nested exception, status and response. /// /// Message - Message string for exception. /// InnerException - The exception that caused this one. /// Status - Network status of exception /// Response - The WebResponse we have. /// [SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase", Justification = "System.dll is still using pre-v4 security model and needs this demand")] [SecurityPermission(SecurityAction.LinkDemand, Flags = SecurityPermissionFlag.SerializationFormatter)] void ISerializable.GetObjectData(SerializationInfo serializationInfo, StreamingContext streamingContext) { GetObjectData(serializationInfo, streamingContext); } [SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase", Justification = "System.dll is still using pre-v4 security model and needs this demand")] [SecurityPermissionAttribute(SecurityAction.LinkDemand, Flags=SecurityPermissionFlag.SerializationFormatter)] public override void GetObjectData(SerializationInfo serializationInfo, StreamingContext streamingContext){ base.GetObjectData(serializationInfo, streamingContext); //serializationInfo.AddValue("Status", (int)m_Status, typeof(int)); //serializationInfo.AddValue("InternalStatus", (int)m_InternalStatus, typeof(int)); } /// /// public WebExceptionStatus Status { get { return m_Status; } } ////// Gets the status of the response. /// ////// public WebResponse Response { get { return m_Response; } } ////// Gets the error message returned from the remote host. /// ////// internal WebExceptionInternalStatus InternalStatus { get { return m_InternalStatus; } } }; // class WebException internal enum WebExceptionInternalStatus { RequestFatal = 0, ServicePointFatal = 1, Recoverable = 2, Isolated = 3, } } // namespace System.Net // File provided for Reference Use Only by Microsoft Corporation (c) 2007./// Gets the error message returned from the remote host. /// ///
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
- NetStream.cs
- ConversionContext.cs
- PageAdapter.cs
- PermissionSetEnumerator.cs
- ToolStripRenderEventArgs.cs
- _Connection.cs
- DataGridViewDesigner.cs
- Attributes.cs
- ToolStripItemImageRenderEventArgs.cs
- FactoryMaker.cs
- ColumnHeaderConverter.cs
- OdbcConnectionFactory.cs
- GeometryModel3D.cs
- RangeValuePattern.cs
- OrderedDictionaryStateHelper.cs
- BitmapEffect.cs
- EntityDesignPluralizationHandler.cs
- XmlSerializerOperationBehavior.cs
- WebControlsSection.cs
- Console.cs
- WebPartConnectionCollection.cs
- IERequestCache.cs
- TimeoutHelper.cs
- ExtendedProperty.cs
- CompModHelpers.cs
- CacheVirtualItemsEvent.cs
- LabelTarget.cs
- WebPartUserCapability.cs
- InternalBufferOverflowException.cs
- ConfigXmlSignificantWhitespace.cs
- _ReceiveMessageOverlappedAsyncResult.cs
- PriorityQueue.cs
- Int32CAMarshaler.cs
- SingleTagSectionHandler.cs
- FtpWebResponse.cs
- SmtpFailedRecipientsException.cs
- SeekableMessageNavigator.cs
- TypeExtensionSerializer.cs
- XmlSubtreeReader.cs
- XsdDuration.cs
- ArgumentValue.cs
- BlobPersonalizationState.cs
- Native.cs
- HttpListenerException.cs
- EncoderFallback.cs
- AsyncSerializedWorker.cs
- ObjectDataProvider.cs
- ParallelTimeline.cs
- OleDbInfoMessageEvent.cs
- LeftCellWrapper.cs
- DesignerCategoryAttribute.cs
- TraceData.cs
- Viewport2DVisual3D.cs
- MissingMethodException.cs
- WindowsGrip.cs
- Int32CollectionConverter.cs
- BinaryParser.cs
- latinshape.cs
- BasicHttpSecurityMode.cs
- EdmSchemaAttribute.cs
- GenericTypeParameterConverter.cs
- PanelDesigner.cs
- ToolStripItemCollection.cs
- MessageLogger.cs
- SafeWaitHandle.cs
- ArrayConverter.cs
- TypeConvertions.cs
- EnvelopedPkcs7.cs
- JobInputBins.cs
- AtomServiceDocumentSerializer.cs
- PassportPrincipal.cs
- Executor.cs
- DBBindings.cs
- InputMethodStateChangeEventArgs.cs
- ToolStripItemClickedEventArgs.cs
- UnwrappedTypesXmlSerializerManager.cs
- TextSelectionHelper.cs
- DefinitionBase.cs
- TraceLevelHelper.cs
- DynamicPhysicalDiscoSearcher.cs
- AspProxy.cs
- EllipseGeometry.cs
- InfoCardKeyedHashAlgorithm.cs
- OleDbSchemaGuid.cs
- GeneratedView.cs
- InvalidFilterCriteriaException.cs
- SizeAnimationClockResource.cs
- TypeAccessException.cs
- OLEDB_Util.cs
- DesignerActionKeyboardBehavior.cs
- DrawingGroupDrawingContext.cs
- ReachPrintTicketSerializerAsync.cs
- UserNameSecurityTokenAuthenticator.cs
- DataGridViewRowsAddedEventArgs.cs
- ThreadStateException.cs
- XmlDataFileEditor.cs
- DbParameterCollectionHelper.cs
- GeneralTransformGroup.cs
- EntityProviderFactory.cs
- TextDpi.cs