User`s guide

EventLog
Purpose Store information about events
Description The EventLog property is an array of structures that stores information
about events. Each structure in the a rray represents one eve n t. Events
are recorded in the order in which they occur. The first
EventLog
structure reflects the first event recorded, the second EventLog
structure reflects the second event recorded, and so on.
Each e vent log structure contains two fields:
Type and Data.
The
Type field stores a character array that i dentifies the event type.
Image Acquisition To olbox defines many different event types, listed in
this table. Note that not all event types are logged.
Event Type Description
Included in
Log
Error
Run-time error occurred. Run-time
errors include timeouts and
hardware errors.
Yes
Frames Acquired The number of frames specified
in the
FramesAcquiredFcnCount
property has been acquired.
No
Start Object was started by calling the
start function.
Yes
Stop Object stopped executing.
Yes
Timer
Timer expired.
No
Trigger
Trigger e xecuted .
Yes
The Data field stores information associated with the specific event. For
example, all events return the absolute time the event occurred in the
AbsTime field. Other event-specific fields are included in Data.Formore
information, see “Retrieving Event Information” on page 7 -7.
14-10