Assembly: ASCOM.Utilities (in ASCOM.Utilities.dll) Version: 220.127.116.11 (18.104.22.16819)
In automatic mode the file will be stored in an ASCOM folder within XP's My Documents folder or equivalent places in other operating systems. Within the ASCOM folder will be a folder named Logs yyyy-mm-dd where yyyy, mm and dd are today's year, month and day numbers. The trace file will appear within the day folder with the name ASCOM.Identifier.hhmm.ssffff where hh, mm, ss and ffff are the current hour, minute, second and fraction of second numbers at the time of file creation.
Within the file the format of each line is hh:mm:ss.fff Identifier Message where hh, mm, ss and fff are the hour, minute, second and fractional second at the time that the message was logged, Identifier is the supplied identifier (usually the subroutine, function, property or method from which the message is sent) and Message is the message to be logged.