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ILogger Interface

Definition

Namespace:
Microsoft.Extensions.Logging
Assembly:
Microsoft.Extensions.Logging.Abstractions.dll
Package:
Microsoft.Extensions.Logging.Abstractions v11.0.0-preview.5.26302.115
Source:
ILogger.cs
Source:
ILogger.cs
Source:
ILogger.cs
Source:
ILogger.cs

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Represents a type used to perform logging.

public interface class ILogger
public interface ILogger
type ILogger = interface
Public Interface ILogger
Derived

Remarks

This interface aggregates most logging patterns to a single method.

Methods

Name Description
BeginScope<TState>(TState)

Begins a logical operation scope.
IsEnabled(LogLevel)

Checks if the given logLevel is enabled.
Log<TState>(LogLevel, EventId, TState, Exception, Func<TState,Exception,String>)

Writes a log entry.

Extension Methods

Name Description
BeginScope(ILogger, String, Object[])

Formats the message and creates a scope.
Log(ILogger, LogLevel, EventId, Exception, String, Object[])

Formats and writes a log message at the specified log level.
Log(ILogger, LogLevel, EventId, String, Object[])

Formats and writes a log message at the specified log level.
Log(ILogger, LogLevel, Exception, String, Object[])

Formats and writes a log message at the specified log level.
Log(ILogger, LogLevel, String, Object[])

Formats and writes a log message at the specified log level.
LogCritical(ILogger, EventId, Exception, String, Object[])

Formats and writes a critical log message.
LogCritical(ILogger, EventId, String, Object[])

Formats and writes a critical log message.
LogCritical(ILogger, Exception, String, Object[])

Formats and writes a critical log message.
LogCritical(ILogger, String, Object[])

Formats and writes a critical log message.
LogDebug(ILogger, EventId, Exception, String, Object[])

Formats and writes a debug log message.
LogDebug(ILogger, EventId, String, Object[])

Formats and writes a debug log message.
LogDebug(ILogger, Exception, String, Object[])

Formats and writes a debug log message.
LogDebug(ILogger, String, Object[])

Formats and writes a debug log message.
LogError(ILogger, EventId, Exception, String, Object[])

Formats and writes an error log message.
LogError(ILogger, EventId, String, Object[])

Formats and writes an error log message.
LogError(ILogger, Exception, String, Object[])

Formats and writes an error log message.
LogError(ILogger, String, Object[])

Formats and writes an error log message.
LogInformation(ILogger, EventId, Exception, String, Object[])

Formats and writes an informational log message.
LogInformation(ILogger, EventId, String, Object[])

Formats and writes an informational log message.
LogInformation(ILogger, Exception, String, Object[])

Formats and writes an informational log message.
LogInformation(ILogger, String, Object[])

Formats and writes an informational log message.
LogTrace(ILogger, EventId, Exception, String, Object[])

Formats and writes a trace log message.
LogTrace(ILogger, EventId, String, Object[])

Formats and writes a trace log message.
LogTrace(ILogger, Exception, String, Object[])

Formats and writes a trace log message.
LogTrace(ILogger, String, Object[])

Formats and writes a trace log message.
LogWarning(ILogger, EventId, Exception, String, Object[])

Formats and writes a warning log message.
LogWarning(ILogger, EventId, String, Object[])

Formats and writes a warning log message.
LogWarning(ILogger, Exception, String, Object[])

Formats and writes a warning log message.
LogWarning(ILogger, String, Object[])

Formats and writes a warning log message.

Applies to

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