The QueryPerformanceFrequency function retrieves the frequency of the high-resolution performance counter, if one exists.
BOOL QueryPerformanceFrequency(
LARGE_INTEGER *lpFrequency |
// address of current frequency |
); |
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.
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