JevGetSequenceNumber
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Description
The function acquires the serial number in the event database, as a basic attribute of the JP1 event.
Definition header
JevApi.h
Format
long JevGetSequenceNumber(long* lplStatus, JP1EVENT event);
Arguments
lplStatus
In lplStatus, specify the pointer to the area for containing the status code that this function returns if the function abnormally terminates. The following explains the status code.
Status code |
Meaning |
---|---|
JEV_S_PARAM_ERROR |
An invalid parameter is specified. |
event
In event, specify the handle for accessing the target JP1 event (the return value of the JevGetEvent() function).
Return values
Situation |
Explanation |
---|---|
Normal termination |
The function returns the serial number of the JP1 event in the event database that can be referenced with the specified handle. |
Abnormal termination |
The function returns -1. Also, in the area specified in lplStatus, the function stores the detailed error code. |