The PdhCloseQuery function closes all counters contained in the specified query, closes all handles related to the query, and frees all memory associated with the query.
PDH_STATUS PdhCloseQuery(
IN HQUERY hQuery // handle of the query to close and delete.
);
If the function succeeds, it returns ERROR_SUCCESS and closes and deletes the query.
If the function fails, the return value is a PDH error status defined in pdhmsg.h. The following is a possible error value:
| Value | Meaning |
|---|---|
| PDH_INVALID_HANDLE | The query handle is not valid. |
Performance Data Helper Overview, Performance Data Functions, , PdhOpenQuery