PdhCollectQueryData
The PdhCollectQueryData
function collects the current raw data value for all counters in the specified
query and updates the status code of each counter.
PDH_STATUS PdhCollectQueryData(
|
IN HQUERY hQuery |
// handle of the
query |
|
); |
|
Parameters
hQuery
The handle of
the query from which to collect data.
Return Values
If the
function succeeds, it returns ERROR_SUCCESS.
If the
function fails, the return value is a PDH error status defined in PDHMSG.H. The
following are possible error values:
|
Value |
Meaning |
|
PDH_INVALID_HANDLE |
The query
handle is not valid. |
|
PDH_NO_DATA |
The query
does not currently have any counters. |
Remarks
The PdhCollectQueryData
function can succeed, but may not have collected data for all counters. Always
check the status code of each counter in the query before using the data.
See Also