The QueryPerformanceCounter function retrieves the current value of the high-resolution performance counter, if one exists.
BOOL QueryPerformanceCounter(
| LARGE_INTEGER *lpPerformanceCount | // address of current counter value |
| ); |
Parameters
lpPerformanceCount
Points to a variable that the function sets, in counts, to the current performance-counter value. If the installed hardware does not support a high-resolution performance counter, this parameter can be to zero.
Return Values
If the installed hardware supports a high-resolution performance counter, the return value is nonzero.
If the installed hardware does not support a high-resolution performance counter, the return value is zero.
See Also