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This I/O control function sets the specified statistic to the value in the input buffer.
Major code
Input buffer
PosStatisticsHeader where PosStatisticsHeader.EntryCount is set to the number of statistics to update.
This structure is then followed by a corresponding number of PosValueStatisticsEntry structures that contain the name of a statistic and the corresponding value to which it will be updated.
Input buffer length
The sizeof(PosStatisticsHeader) + PosStatisticsHeader.EntryCount * sizeof(PosValueStatisticsEntry).
Output buffer
Not used with this operation; set to NULL.
Output buffer length
Not used with this operation; set to 0 (zero).
Status block
Returns TRUE if successful; otherwise, returns FALSE.
Remarks
To get extended error information, call GetLastError. The following is a common error value:
- STATUS_NOT_SUPPORTED: Statistic updating or reporting is not supported.
Requirements
| Requirement | Value |
|---|---|
| Header | pointofservicedriverinterface.h (include Pointofservicedriverinterface.h) |