QueryPerformanceFrequency()

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What is the meaning of this statement:

C#

QueryPerformanceFrequency((LARGE_INTEGER*)&freq);

Can anyone please explain?

Posted 10-Sep-10 22:36pm

project.gearup

Updated 10-Sep-10 22:57pm

Sandeep Mewara

v2

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CPallini · Answer 1 · 2010-09-11T02:56:00

Solution 2

If you are concerned about the

(LARGE_INTEGER*)&freq

part, I guess the freq variable isn't declared as LARGE_INTEGER (but it's type, at least from the author's point of view, is compatible with) so a cast is needed (after its address is taken via the & operator).

Posted 11-Sep-10 2:56am

CPallini

Richard MacCutchan · Answer 2 · 2010-09-10T22:58:00

Solution 1

A simple search of MSDN yields this[^].

Posted 10-Sep-10 22:58pm

Richard MacCutchan