Classes for configuring and logging diagnostic messages - see Learning about Logging


Name Description
ActivityLoggingContext A notion of the logging context in which a backend operation is performed, used to correlate
EnvMacroSubst Helps with macro-substitution
Logger Logger allows libraries and apps to report potentially useful information about operations, and it allows apps and users to control
PerfLogger Simple performance diagnostics utility.


Name Description
LogLevel Use to categorize logging messages by severity.


Name Description
LoggerCategoryAndLevel Identifies a logging category and the LogLevel that should be used for it.
LoggerLevelsConfig Specifies logging levels, including the default logging level and a set of categories and levels for them.

Type Aliases

Name Description
LogFunction Defines the signature for a log function.

Last Updated: 19 February, 2019