Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / CompMod / System / ComponentModel / Win32Exception.cs / 1 / Win32Exception.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* */ namespace System.ComponentModel { using Microsoft.Win32; using System; using System.Diagnostics; using System.Runtime.InteropServices; using System.Runtime.Remoting; using System.Runtime.Serialization; using System.Security; using System.Security.Permissions; using System.Text; ////// // Code already shipped - safe to place link demand on derived class constructor when base doesn't have it - Suppress message. [HostProtection(SharedState = true)] [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase")] [Serializable] [SuppressUnmanagedCodeSecurity] public class Win32Exception : ExternalException, ISerializable { ///The exception that is thrown for a Win32 error code. ////// private readonly int nativeErrorCode; ///Represents the Win32 error code associated with this exception. This /// field is read-only. ////// [SecurityPermission(SecurityAction.LinkDemand, Flags=SecurityPermissionFlag.UnmanagedCode)] public Win32Exception() : this(Marshal.GetLastWin32Error()) { } ///Initializes a new instance of the ///class with the last Win32 error /// that occured. /// [SecurityPermission(SecurityAction.LinkDemand, Flags=SecurityPermissionFlag.UnmanagedCode)] public Win32Exception(int error) : this(error, GetErrorMessage(error)) { } ///Initializes a new instance of the ///class with the specified error. /// [SecurityPermission(SecurityAction.LinkDemand, Flags=SecurityPermissionFlag.UnmanagedCode)] public Win32Exception(int error, string message) : base(message) { nativeErrorCode = error; } ///Initializes a new instance of the ///class with the specified error and the /// specified detailed description. /// Initializes a new instance of the Exception class with a specified error message. /// FxCop CA1032: Multiple constructors are required to correctly implement a custom exception. /// [SecurityPermission(SecurityAction.LinkDemand, Flags=SecurityPermissionFlag.UnmanagedCode)] public Win32Exception( string message ) : this(Marshal.GetLastWin32Error(), message) { } ////// Initializes a new instance of the Exception class with a specified error message and a /// reference to the inner exception that is the cause of this exception. /// FxCop CA1032: Multiple constructors are required to correctly implement a custom exception. /// [SecurityPermission(SecurityAction.LinkDemand, Flags=SecurityPermissionFlag.UnmanagedCode)] public Win32Exception( string message, Exception innerException ) : base(message, innerException) { nativeErrorCode = Marshal.GetLastWin32Error(); } protected Win32Exception(SerializationInfo info, StreamingContext context) : base (info, context) { IntSecurity.UnmanagedCode.Demand(); nativeErrorCode = info.GetInt32("NativeErrorCode"); } ////// public int NativeErrorCode { get { return nativeErrorCode; } } private static string GetErrorMessage(int error) { //get the system error message... string errorMsg = ""; StringBuilder sb = new StringBuilder(256); int result = SafeNativeMethods.FormatMessage( SafeNativeMethods.FORMAT_MESSAGE_IGNORE_INSERTS | SafeNativeMethods.FORMAT_MESSAGE_FROM_SYSTEM | SafeNativeMethods.FORMAT_MESSAGE_ARGUMENT_ARRAY, NativeMethods.NullHandleRef, error, 0, sb, sb.Capacity + 1, IntPtr.Zero); if (result != 0) { int i = sb.Length; while (i > 0) { char ch = sb[i - 1]; if (ch > 32 && ch != '.') break; i--; } errorMsg = sb.ToString(0, i); } else { errorMsg ="Unknown error (0x" + Convert.ToString(error, 16) + ")"; } return errorMsg; } // Even though all we're exposing is the nativeErrorCode (which is also available via public property) // it's not a bad idea to have this in place. Later, if more fields are added to this exception, // we won't need to worry about accidentaly exposing them through this interface. [SecurityPermissionAttribute(SecurityAction.Demand,SerializationFormatter=true)] public override void GetObjectData(SerializationInfo info, StreamingContext context) { if (info==null) { throw new ArgumentNullException("info"); } info.AddValue("NativeErrorCode", nativeErrorCode); base.GetObjectData(info, context); } } }Represents the Win32 error code associated with this exception. This /// field is read-only. ///
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- Compilation.cs
- HttpListener.cs
- LongPath.cs
- JavaScriptString.cs
- CollectionDataContract.cs
- SqlXml.cs
- CodeMethodReturnStatement.cs
- PropertyRecord.cs
- XmlQueryContext.cs
- AmbientProperties.cs
- XmlExpressionDumper.cs
- ComponentCommands.cs
- EnvironmentPermission.cs
- HashAlgorithm.cs
- DependencyPropertyKey.cs
- AnnotationHighlightLayer.cs
- BitmapInitialize.cs
- SBCSCodePageEncoding.cs
- PipelineModuleStepContainer.cs
- VectorAnimationBase.cs
- Activity.cs
- CacheHelper.cs
- TextTreeObjectNode.cs
- ForeignConstraint.cs
- MetadataUtilsSmi.cs
- ParameterCollection.cs
- RelationalExpressions.cs
- WindowsFormsHelpers.cs
- TrimSurroundingWhitespaceAttribute.cs
- HelpInfo.cs
- EndpointConfigContainer.cs
- BitmapEffectState.cs
- TempEnvironment.cs
- DiffuseMaterial.cs
- CompressStream.cs
- DoubleLinkListEnumerator.cs
- ExpressionBindingCollection.cs
- Animatable.cs
- AppSettingsExpressionBuilder.cs
- exports.cs
- TargetConverter.cs
- CommandManager.cs
- AttachedPropertyBrowsableAttribute.cs
- MatrixTransform.cs
- UserControlBuildProvider.cs
- InfoCardTraceRecord.cs
- BrowserCapabilitiesFactory.cs
- Expressions.cs
- ResourcesGenerator.cs
- base64Transforms.cs
- SettingsContext.cs
- InstanceKeyView.cs
- WindowsComboBox.cs
- CodeCastExpression.cs
- NameSpaceEvent.cs
- StringWriter.cs
- Vector3DCollection.cs
- IPGlobalProperties.cs
- IPPacketInformation.cs
- ServiceOperationListItem.cs
- ImageFormatConverter.cs
- InkPresenter.cs
- EventLogInternal.cs
- HttpClientCertificate.cs
- HttpCacheVaryByContentEncodings.cs
- ResXBuildProvider.cs
- RSACryptoServiceProvider.cs
- ConnectionPoint.cs
- GiveFeedbackEvent.cs
- XmlQualifiedNameTest.cs
- DocumentSequenceHighlightLayer.cs
- EncryptRequest.cs
- FilterableAttribute.cs
- HtmlInputCheckBox.cs
- Soap.cs
- ConversionContext.cs
- DefaultObjectMappingItemCollection.cs
- ClientProxyGenerator.cs
- CachedFontFamily.cs
- ResourcePart.cs
- mactripleDES.cs
- CrossSiteScriptingValidation.cs
- NotSupportedException.cs
- DataColumnChangeEvent.cs
- TabControlAutomationPeer.cs
- RoamingStoreFileUtility.cs
- MemberHolder.cs
- MsmqInputChannelBase.cs
- GridViewCancelEditEventArgs.cs
- DescendantBaseQuery.cs
- X509UI.cs
- SymmetricSecurityProtocol.cs
- NeutralResourcesLanguageAttribute.cs
- PagedDataSource.cs
- DrawTreeNodeEventArgs.cs
- ApplicationDirectoryMembershipCondition.cs
- TableHeaderCell.cs
- ProjectedSlot.cs
- DiagnosticsConfigurationHandler.cs
- InternalConfigHost.cs