JevGetExtID
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Description
This function acquires the extended part of the event ID, as a basic attribute of the JP1 event. The extended part of the event ID is the last four bytes of the eight-byte event ID.
Definition header
JevApi.h
Format
long JevGetExtID(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 extended part of the ID of the JP1 event 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. |