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. |