52
Conditions for Terminating Scanning
Scanning is terminated when any one of the following conditions is met.
y Scanning is succeeded.
y Preset timeout period has elapsed.
y OBR buffer becomes a full.
y An abnormal condition is detected in the scan module.
Scan Completion Notification
When scanning is complete, a notification is issued to the application using one of the methods
described in the table. Each notification method can be set to either “Enable” or “Disable”. The
default is “Notification with window message”.
Table 2.41
Method Description
Window message A window message is issued to the specified window handle. Also, the conditions for
scanning completion can be retrieved by referring to wParam parameter of the window
message.
Event A predefined event in the registry is issued. The conditions of scanning completion can
be retrieved using the Laser Scanner Library.
None No message or event is issued when scanning is complete.
The functions of the Laser Scanner Library relevant to the “Scan Completion Notification” are as
follows.
OBRSetScanningNotification
: Sets up scanning complete notification.
OBRGetScanningNotification
: Retrieves scanning complete notification.
Event Name
The predefined event name which is issued for event notification can be changed in the registry
described below. If there is no value set in the registry, the default event name,
OBRScanningEvent, is used.
[HKEY_LOCAL_MACHINE\Drivers\CASIO\Laser]
Table 2.42
Key Name Setting Value
EventName sz: Any name
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