[ CCode ( has_target = false ) ]
public delegate void LogHandler (LogLevel level, string msg)
The log handler can be set by gexiv2_log_set_handler.
When set, the log handler will receive all log messages emitted by Exiv2 and gexiv2. It's up to the handler to decide where (and if) the images are displayed or stored.
| level |
The LogLevel for the particular message |
| msg |
The log message |