Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / Services / Monitoring / system / Diagnosticts / EventLogTraceListener.cs / 1 / EventLogTraceListener.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* */ namespace System.Diagnostics { using System; using System.Security; using System.Security.Permissions; using System.IO; using System.Text; using System.Globalization; using System.Runtime.InteropServices; ////// [HostProtection(SecurityAction.LinkDemand, Synchronization=true)] public sealed class EventLogTraceListener : TraceListener { private EventLog eventLog; private bool nameSet; ///Provides a simple listener for directing tracing or /// debugging output to a ///or to a , such as or /// . /// public EventLogTraceListener() { } ///Initializes a new instance of the ///class without a trace /// listener. /// public EventLogTraceListener(EventLog eventLog) : base((eventLog != null) ? eventLog.Source : string.Empty) { this.eventLog = eventLog; } ///Initializes a new instance of the ///class using the /// specified event log. /// public EventLogTraceListener(string source) { eventLog = new EventLog(); eventLog.Source = source; } ///Initializes a new instance of the ///class using the /// specified source. /// public EventLog EventLog { get { return eventLog; } set { eventLog = value; } } ///Gets or sets the event log to write to. ////// public override string Name { get { if (nameSet == false && eventLog != null) { nameSet = true; base.Name = eventLog.Source; } return base.Name; } set { nameSet = true; base.Name = value; } } ///Gets or sets the /// name of this trace listener. ////// public override void Close() { if (eventLog != null) eventLog.Close(); } ///Closes the text writer so that it no longer receives tracing or /// debugging output. ////// /// protected override void Dispose(bool disposing) { if (disposing) this.Close(); } ////// public override void Write(string message) { if (eventLog != null) eventLog.WriteEntry(message); } ///Writes a message to this instance's event log. ////// public override void WriteLine(string message) { Write(message); } [ ComVisible(false) ] public override void TraceEvent(TraceEventCache eventCache, string source, TraceEventType severity, int id, string format, params object[] args) { if (Filter != null && !Filter.ShouldTrace(eventCache, source, severity, id, format, args)) return; EventInstance data = CreateEventInstance(severity, id); if (args == null) { eventLog.WriteEvent(data, format); } else if(String.IsNullOrEmpty(format)) { string[] strings = new string[args.Length]; for (int i=0; iWrites a message to this instance's event log followed by a line terminator. /// The default line terminator is a carriage return followed by a line feed /// (\r\n). ///ushort.MaxValue) id = ushort.MaxValue; // Ideally we need to pick a value other than '0' as zero is // a commonly used EventId by most applications if (id < ushort.MinValue) id = ushort.MinValue; EventInstance data = new EventInstance(id, 0); if (severity == TraceEventType.Error || severity == TraceEventType.Critical) data.EntryType = EventLogEntryType.Error; else if (severity == TraceEventType.Warning) data.EntryType = EventLogEntryType.Warning; else data.EntryType = EventLogEntryType.Information; return data; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ // // Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* */ namespace System.Diagnostics { using System; using System.Security; using System.Security.Permissions; using System.IO; using System.Text; using System.Globalization; using System.Runtime.InteropServices; ////// [HostProtection(SecurityAction.LinkDemand, Synchronization=true)] public sealed class EventLogTraceListener : TraceListener { private EventLog eventLog; private bool nameSet; ///Provides a simple listener for directing tracing or /// debugging output to a ///or to a , such as or /// . /// public EventLogTraceListener() { } ///Initializes a new instance of the ///class without a trace /// listener. /// public EventLogTraceListener(EventLog eventLog) : base((eventLog != null) ? eventLog.Source : string.Empty) { this.eventLog = eventLog; } ///Initializes a new instance of the ///class using the /// specified event log. /// public EventLogTraceListener(string source) { eventLog = new EventLog(); eventLog.Source = source; } ///Initializes a new instance of the ///class using the /// specified source. /// public EventLog EventLog { get { return eventLog; } set { eventLog = value; } } ///Gets or sets the event log to write to. ////// public override string Name { get { if (nameSet == false && eventLog != null) { nameSet = true; base.Name = eventLog.Source; } return base.Name; } set { nameSet = true; base.Name = value; } } ///Gets or sets the /// name of this trace listener. ////// public override void Close() { if (eventLog != null) eventLog.Close(); } ///Closes the text writer so that it no longer receives tracing or /// debugging output. ////// /// protected override void Dispose(bool disposing) { if (disposing) this.Close(); } ////// public override void Write(string message) { if (eventLog != null) eventLog.WriteEntry(message); } ///Writes a message to this instance's event log. ////// public override void WriteLine(string message) { Write(message); } [ ComVisible(false) ] public override void TraceEvent(TraceEventCache eventCache, string source, TraceEventType severity, int id, string format, params object[] args) { if (Filter != null && !Filter.ShouldTrace(eventCache, source, severity, id, format, args)) return; EventInstance data = CreateEventInstance(severity, id); if (args == null) { eventLog.WriteEvent(data, format); } else if(String.IsNullOrEmpty(format)) { string[] strings = new string[args.Length]; for (int i=0; iWrites a message to this instance's event log followed by a line terminator. /// The default line terminator is a carriage return followed by a line feed /// (\r\n). ///ushort.MaxValue) id = ushort.MaxValue; // Ideally we need to pick a value other than '0' as zero is // a commonly used EventId by most applications if (id < ushort.MinValue) id = ushort.MinValue; EventInstance data = new EventInstance(id, 0); if (severity == TraceEventType.Error || severity == TraceEventType.Critical) data.EntryType = EventLogEntryType.Error; else if (severity == TraceEventType.Warning) data.EntryType = EventLogEntryType.Warning; else data.EntryType = EventLogEntryType.Information; return data; } } } // 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
- WebScriptMetadataMessage.cs
- CookieProtection.cs
- PointAnimationUsingPath.cs
- ImageList.cs
- UpdatePanelControlTrigger.cs
- RadioButtonBaseAdapter.cs
- TextTreeTextNode.cs
- CodeRegionDirective.cs
- OpCodes.cs
- IIS7UserPrincipal.cs
- QilXmlWriter.cs
- EditCommandColumn.cs
- SolidColorBrush.cs
- HttpCookieCollection.cs
- DoubleSumAggregationOperator.cs
- DataTemplateKey.cs
- UnsafeNativeMethodsCLR.cs
- XmlNullResolver.cs
- RootBuilder.cs
- MatrixTransform3D.cs
- SortKey.cs
- WebPartCatalogCloseVerb.cs
- MouseBinding.cs
- XmlQueryType.cs
- XmlEntity.cs
- SQLChars.cs
- serverconfig.cs
- ScrollPattern.cs
- CultureMapper.cs
- Keywords.cs
- PathFigure.cs
- DiscardableAttribute.cs
- WsatRegistrationHeader.cs
- TextServicesDisplayAttributePropertyRanges.cs
- FontCacheUtil.cs
- IndependentAnimationStorage.cs
- TransactionContextValidator.cs
- ExclusiveTcpListener.cs
- TextReader.cs
- AnonymousIdentificationSection.cs
- AuthenticatedStream.cs
- UdpDiscoveryMessageFilter.cs
- Vector3DConverter.cs
- InlineUIContainer.cs
- XomlCompilerParameters.cs
- WindowsListViewSubItem.cs
- DesignerTextViewAdapter.cs
- ReadContentAsBinaryHelper.cs
- SimpleFileLog.cs
- __Filters.cs
- WebFaultException.cs
- DesignTimeXamlWriter.cs
- SimpleHandlerFactory.cs
- GeometryConverter.cs
- DataControlField.cs
- Baml2006ReaderFrame.cs
- DecoderExceptionFallback.cs
- ModelPropertyImpl.cs
- Viewport3DAutomationPeer.cs
- WindowsToolbarAsMenu.cs
- ToolStripDropDown.cs
- CheckBoxField.cs
- DesignerLinkAdapter.cs
- DataGridDetailsPresenter.cs
- ElementHostAutomationPeer.cs
- FixedHighlight.cs
- TreeNodeBindingCollection.cs
- HtmlDocument.cs
- GPRECTF.cs
- QilXmlReader.cs
- ContextDataSourceContextData.cs
- SoapCodeExporter.cs
- WebFormsRootDesigner.cs
- GroupLabel.cs
- BindableAttribute.cs
- FloaterBaseParaClient.cs
- DelayLoadType.cs
- FrameworkTemplate.cs
- SqlStatistics.cs
- XmlUTF8TextReader.cs
- StringComparer.cs
- AnimationLayer.cs
- FixedSOMPage.cs
- RecordsAffectedEventArgs.cs
- Columns.cs
- SqlUdtInfo.cs
- IpcClientChannel.cs
- ItemCollection.cs
- Comparer.cs
- StatusCommandUI.cs
- RecordManager.cs
- MsmqChannelFactoryBase.cs
- SoapParser.cs
- IntegerFacetDescriptionElement.cs
- HostProtectionException.cs
- DataGridViewImageColumn.cs
- WmlMobileTextWriter.cs
- ListControlBuilder.cs
- ChtmlTextWriter.cs
- SpeechEvent.cs