<?xml version="1.0"?>
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<doc>
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<assembly>
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<name>Microsoft.Extensions.Logging.EventSource</name>
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</assembly>
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<members>
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<member name="T:Microsoft.Extensions.Logging.EventSource.EventSourceLogger">
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<summary>
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A logger that writes messages to EventSource instance.
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</summary>
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<remarks>
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On Windows platforms EventSource will deliver messages using Event Tracing for Windows (ETW) events.
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On Linux EventSource will use LTTng (http://lttng.org) to deliver messages.
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</remarks>
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</member>
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<member name="M:Microsoft.Extensions.Logging.EventSource.EventSourceLogger.Log``1(Microsoft.Extensions.Logging.LogLevel,Microsoft.Extensions.Logging.EventId,``0,System.Exception,System.Func{``0,System.Exception,System.String})">
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<inheritdoc />
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</member>
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<member name="T:Microsoft.Extensions.Logging.EventSource.EventSourceLogger.ActivityScope">
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<summary>
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ActivityScope is just a IDisposable that knows how to send the ActivityStop event when it is
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desposed. It is part of the BeginScope() support.
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</summary>
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</member>
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<member name="M:Microsoft.Extensions.Logging.EventSource.EventSourceLogger.GetExceptionInfo(System.Exception)">
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<summary>
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'serializes' a given exception into an ExceptionInfo (that EventSource knows how to serialize)
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</summary>
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<param name="exception">The exception to get information for.</param>
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<returns>ExceptionInfo object represending a .NET Exception</returns>
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<remarks>ETW does not support a concept of a null value. So we use an un-initialized object if there is no exception in the event data.</remarks>
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</member>
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<member name="M:Microsoft.Extensions.Logging.EventSource.EventSourceLogger.GetProperties(System.Object)">
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<summary>
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Converts an ILogger state object into a set of key-value pairs (That can be send to a EventSource)
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</summary>
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</member>
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<member name="T:Microsoft.Extensions.Logging.EventSource.EventSourceLoggerProvider">
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<summary>
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The provider for the <see cref="T:Microsoft.Extensions.Logging.EventSource.EventSourceLogger"/>.
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</summary>
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</member>
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<member name="M:Microsoft.Extensions.Logging.EventSource.EventSourceLoggerProvider.#ctor(Microsoft.Extensions.Logging.EventSource.LoggingEventSource)">
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<summary>
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Creates an instance of <see cref="T:Microsoft.Extensions.Logging.EventSource.EventSourceLoggerProvider"/>.
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</summary>
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<param name="eventSource">The logging event source.</param>
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</member>
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<member name="M:Microsoft.Extensions.Logging.EventSource.EventSourceLoggerProvider.CreateLogger(System.String)">
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<inheritdoc />
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</member>
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<member name="M:Microsoft.Extensions.Logging.EventSource.EventSourceLoggerProvider.Dispose">
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<inheritdoc />
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</member>
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<member name="T:Microsoft.Extensions.Logging.EventSource.ExceptionInfo">
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<summary>
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Represents information about exceptions that is captured by EventSourceLogger
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</summary>
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</member>
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<member name="T:Microsoft.Extensions.Logging.EventSource.LoggingEventSource">
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<summary>
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The LoggingEventSource is the bridge from all ILogger based logging to EventSource/EventListener logging.
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You turn this logging on by enabling the EventSource called
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Microsoft-Extensions-Logging
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When you enabled the EventSource, the EventLevel you set is translated in the obvious way to the level
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associated with the ILogger (thus Debug = verbose, Informational = Informational ... Critical == Critical)
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This allows you to filter by event level in a straightforward way.
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For finer control you can specify a EventSource Argument called
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FilterSpecs
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The FilterSpecs argument is a semicolon separated list of specifications. Where each specification is
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SPEC = // empty spec, same as *
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| NAME // Just a name the level is the default level
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| NAME : LEVEL // specifies level for a particular logger (can have a * suffix).
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When "UseAppFilters" is specified in the FilterSpecs, it avoids disabling all categories which happens by default otherwise.
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Where Name is the name of a ILoggger (case matters), Name can have a * which acts as a wildcard
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AS A SUFFIX. Thus Net* will match any loggers that start with the 'Net'.
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The LEVEL is a number or a LogLevel string. 0=Trace, 1=Debug, 2=Information, 3=Warning, 4=Error, Critical=5
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This specifies the level for the associated pattern. If the number is not specified, (first form
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of the specification) it is the default level for the EventSource.
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First match is used if a particular name matches more than one pattern.
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In addition the level and FilterSpec argument, you can also set EventSource Keywords. See the Keywords
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definition below, but basically you get to decide if you wish to have
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* Keywords.Message - You get the event with the data in parsed form.
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* Keywords.JsonMessage - you get an event with the data in parse form but as a JSON blob (not broken up by argument ...)
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* Keywords.FormattedMessage - you get an event with the data formatted as a string
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It is expected that you will turn only one of these keywords on at a time, but you can turn them all on (and get
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the same data logged three different ways.
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Example Usage
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This example shows how to use an EventListener to get ILogging information
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class MyEventListener : EventListener {
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protected override void OnEventSourceCreated(EventSource eventSource) {
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if (eventSource.Name == "Microsoft-Extensions-Logging") {
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// initialize a string, string dictionary of arguments to pass to the EventSource.
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// Turn on loggers matching App* to Information, everything else (*) is the default level (which is EventLevel.Error)
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var args = new Dictionary<string, string>() { { "FilterSpecs", "App*:Information;*" } };
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// Set the default level (verbosity) to Error, and only ask for the formatted messages in this case.
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EnableEvents(eventSource, EventLevel.Error, LoggingEventSource.Keywords.FormattedMessage, args);
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}
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}
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protected override void OnEventWritten(EventWrittenEventArgs eventData) {
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// Look for the formatted message event, which has the following argument layout (as defined in the LoggingEventSource.
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// FormattedMessage(LogLevel Level, int FactoryID, string LoggerName, string EventId, string FormattedMessage);
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if (eventData.EventName == "FormattedMessage")
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Console.WriteLine("Logger {0}: {1}", eventData.Payload[2], eventData.Payload[4]);
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}
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}
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</summary>
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</member>
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<member name="T:Microsoft.Extensions.Logging.EventSource.LoggingEventSource.Keywords">
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<summary>
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This is public from an EventSource consumer point of view, but since these definitions
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are not needed outside this class
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</summary>
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</member>
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<member name="F:Microsoft.Extensions.Logging.EventSource.LoggingEventSource.Keywords.Meta">
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<summary>
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Meta events are events about the LoggingEventSource itself (that is they did not come from ILogger
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</summary>
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</member>
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<member name="F:Microsoft.Extensions.Logging.EventSource.LoggingEventSource.Keywords.Message">
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<summary>
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Turns on the 'Message' event when ILogger.Log() is called. It gives the information in a programmatic (not formatted) way
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</summary>
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</member>
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<member name="F:Microsoft.Extensions.Logging.EventSource.LoggingEventSource.Keywords.FormattedMessage">
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<summary>
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Turns on the 'FormatMessage' event when ILogger.Log() is called. It gives the formatted string version of the information.
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</summary>
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</member>
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<member name="F:Microsoft.Extensions.Logging.EventSource.LoggingEventSource.Keywords.JsonMessage">
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<summary>
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Turns on the 'MessageJson' event when ILogger.Log() is called. It gives JSON representation of the Arguments.
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</summary>
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</member>
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<member name="F:Microsoft.Extensions.Logging.EventSource.LoggingEventSource.Instance">
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<summary>
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The one and only instance of the LoggingEventSource.
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</summary>
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</member>
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<member name="M:Microsoft.Extensions.Logging.EventSource.LoggingEventSource.FormattedMessage(Microsoft.Extensions.Logging.LogLevel,System.Int32,System.String,System.Int32,System.String,System.String)">
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<summary>
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FormattedMessage() is called when ILogger.Log() is called. and the FormattedMessage keyword is active
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This only gives you the human readable formatted message.
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</summary>
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</member>
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<member name="M:Microsoft.Extensions.Logging.EventSource.LoggingEventSource.Message(Microsoft.Extensions.Logging.LogLevel,System.Int32,System.String,System.Int32,System.String,Microsoft.Extensions.Logging.EventSource.ExceptionInfo,System.Collections.Generic.IEnumerable{System.Collections.Generic.KeyValuePair{System.String,System.String}})">
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<summary>
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Message() is called when ILogger.Log() is called. and the Message keyword is active
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This gives you the logged information in a programmatic format (arguments are key-value pairs)
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</summary>
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</member>
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<member name="M:Microsoft.Extensions.Logging.EventSource.LoggingEventSource.ActivityStart(System.Int32,System.Int32,System.String,System.Collections.Generic.IEnumerable{System.Collections.Generic.KeyValuePair{System.String,System.String}})">
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<summary>
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ActivityStart is called when ILogger.BeginScope() is called
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</summary>
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</member>
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<member name="M:Microsoft.Extensions.Logging.EventSource.LoggingEventSource.OnEventCommand(System.Diagnostics.Tracing.EventCommandEventArgs)">
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<inheritdoc />
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</member>
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<member name="M:Microsoft.Extensions.Logging.EventSource.LoggingEventSource.SetFilterSpec(System.String)">
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<summary>
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Set the filtering specification. null means turn off all loggers. Empty string is turn on all providers.
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</summary>
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<param name="filterSpec">The filter specification to set.</param>
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</member>
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<member name="M:Microsoft.Extensions.Logging.EventSource.LoggingEventSource.ParseFilterSpec(System.String,Microsoft.Extensions.Logging.LogLevel)">
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<summary>
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Given a set of specifications Pat1:Level1;Pat1;Level2 ... Where
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Pat is a string pattern (a logger Name with a optional trailing wildcard * char)
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and Level is a number 0 (Trace) through 5 (Critical).
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The :Level can be omitted (thus Pat1;Pat2 ...) in which case the level is 1 (Debug).
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A completely empty string act like * (all loggers set to Debug level).
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The first specification that 'loggers' Name matches is used.
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</summary>
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</member>
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<member name="M:Microsoft.Extensions.Logging.EventSource.LoggingEventSource.TryParseLevel(Microsoft.Extensions.Logging.LogLevel,System.String,Microsoft.Extensions.Logging.LogLevel@)">
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<summary>
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Parses the level specification (which should look like :N where n is a number 0 (Trace)
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through 5 (Critical). It can also be an empty string (which means 1 (Debug) and ';' marks
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the end of the specification. This specification should start at spec[curPos]
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It returns the value in 'ret' and returns true if successful. If false is returned ret is left unchanged.
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</summary>
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</member>
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<member name="T:Microsoft.Extensions.Logging.EventSourceLoggerFactoryExtensions">
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<summary>
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Extension methods for the <see cref="T:Microsoft.Extensions.Logging.ILoggerFactory"/> class.
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</summary>
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</member>
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<member name="M:Microsoft.Extensions.Logging.EventSourceLoggerFactoryExtensions.AddEventSourceLogger(Microsoft.Extensions.Logging.ILoggerFactory)">
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<summary>
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Adds an logger that writes messages to the <see cref="T:Microsoft.Extensions.Logging.EventSource.LoggingEventSource"/> instance.
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</summary>
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<param name="factory">The extension method argument.</param>
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<returns>The <see cref="T:Microsoft.Extensions.Logging.ILoggerFactory"/> so that additional calls can be chained.</returns>
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</member>
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<member name="M:Microsoft.Extensions.Logging.EventSourceLoggerFactoryExtensions.AddEventSourceLogger(Microsoft.Extensions.Logging.ILoggingBuilder)">
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<summary>
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Adds an logger that writes messages to the <see cref="T:Microsoft.Extensions.Logging.EventSource.LoggingEventSource"/> instance.
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</summary>
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<param name="builder">The extension method argument.</param>
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<returns>The <see cref="T:Microsoft.Extensions.Logging.ILoggingBuilder"/> so that additional calls can be chained.</returns>
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</member>
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<member name="T:Microsoft.Extensions.Logging.NullExternalScopeProvider">
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<summary>
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Scope provider that does nothing.
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</summary>
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</member>
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<member name="P:Microsoft.Extensions.Logging.NullExternalScopeProvider.Instance">
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<summary>
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Returns a cached instance of <see cref="T:Microsoft.Extensions.Logging.NullExternalScopeProvider"/>.
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</summary>
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</member>
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<member name="M:Microsoft.Extensions.Logging.NullExternalScopeProvider.Microsoft#Extensions#Logging#IExternalScopeProvider#ForEachScope``1(System.Action{System.Object,``0},``0)">
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<inheritdoc />
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</member>
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<member name="M:Microsoft.Extensions.Logging.NullExternalScopeProvider.Microsoft#Extensions#Logging#IExternalScopeProvider#Push(System.Object)">
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<inheritdoc />
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</member>
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<member name="T:Microsoft.Extensions.Logging.NullScope">
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<summary>
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An empty scope without any logic
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</summary>
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</member>
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<member name="M:Microsoft.Extensions.Logging.NullScope.Dispose">
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<inheritdoc />
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</member>
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<member name="M:System.ThrowHelper.ThrowIfNull(System.Object,System.String)">
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<summary>Throws an <see cref="T:System.ArgumentNullException"/> if <paramref name="argument"/> is null.</summary>
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<param name="argument">The reference type argument to validate as non-null.</param>
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<param name="paramName">The name of the parameter with which <paramref name="argument"/> corresponds.</param>
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</member>
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<member name="M:System.ThrowHelper.IfNullOrWhitespace(System.String,System.String)">
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<summary>
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Throws either an <see cref="T:System.ArgumentNullException"/> or an <see cref="T:System.ArgumentException"/>
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if the specified string is <see langword="null"/> or whitespace respectively.
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</summary>
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<param name="argument">String to be checked for <see langword="null"/> or whitespace.</param>
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<param name="paramName">The name of the parameter being checked.</param>
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<returns>The original value of <paramref name="argument"/>.</returns>
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</member>
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<member name="T:System.Runtime.InteropServices.LibraryImportAttribute">
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<summary>
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Attribute used to indicate a source generator should create a function for marshalling
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arguments instead of relying on the runtime to generate an equivalent marshalling function at run-time.
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</summary>
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<remarks>
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This attribute is meaningless if the source generator associated with it is not enabled.
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The current built-in source generator only supports C# and only supplies an implementation when
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applied to static, partial, non-generic methods.
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</remarks>
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</member>
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<member name="M:System.Runtime.InteropServices.LibraryImportAttribute.#ctor(System.String)">
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<summary>
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Initializes a new instance of the <see cref="T:System.Runtime.InteropServices.LibraryImportAttribute"/>.
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</summary>
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<param name="libraryName">Name of the library containing the import.</param>
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</member>
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<member name="P:System.Runtime.InteropServices.LibraryImportAttribute.LibraryName">
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<summary>
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Gets the name of the library containing the import.
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</summary>
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</member>
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<member name="P:System.Runtime.InteropServices.LibraryImportAttribute.EntryPoint">
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<summary>
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Gets or sets the name of the entry point to be called.
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</summary>
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</member>
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<member name="P:System.Runtime.InteropServices.LibraryImportAttribute.StringMarshalling">
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<summary>
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Gets or sets how to marshal string arguments to the method.
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</summary>
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<remarks>
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If this field is set to a value other than <see cref="F:System.Runtime.InteropServices.StringMarshalling.Custom" />,
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<see cref="P:System.Runtime.InteropServices.LibraryImportAttribute.StringMarshallingCustomType" /> must not be specified.
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</remarks>
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</member>
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<member name="P:System.Runtime.InteropServices.LibraryImportAttribute.StringMarshallingCustomType">
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<summary>
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Gets or sets the <see cref="T:System.Type"/> used to control how string arguments to the method are marshalled.
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</summary>
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<remarks>
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If this field is specified, <see cref="P:System.Runtime.InteropServices.LibraryImportAttribute.StringMarshalling" /> must not be specified
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or must be set to <see cref="F:System.Runtime.InteropServices.StringMarshalling.Custom" />.
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</remarks>
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</member>
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<member name="P:System.Runtime.InteropServices.LibraryImportAttribute.SetLastError">
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<summary>
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Gets or sets whether the callee sets an error (SetLastError on Windows or errno
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on other platforms) before returning from the attributed method.
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</summary>
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</member>
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<member name="T:System.Runtime.InteropServices.StringMarshalling">
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<summary>
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Specifies how strings should be marshalled for generated p/invokes
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</summary>
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</member>
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<member name="F:System.Runtime.InteropServices.StringMarshalling.Custom">
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<summary>
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Indicates the user is suppling a specific marshaller in <see cref="P:System.Runtime.InteropServices.LibraryImportAttribute.StringMarshallingCustomType"/>.
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</summary>
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</member>
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<member name="F:System.Runtime.InteropServices.StringMarshalling.Utf8">
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<summary>
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Use the platform-provided UTF-8 marshaller.
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</summary>
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</member>
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<member name="F:System.Runtime.InteropServices.StringMarshalling.Utf16">
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<summary>
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Use the platform-provided UTF-16 marshaller.
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</summary>
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</member>
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</members>
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</doc>
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