On Thursday, 15 October 2020 at 20:13:37 UTC, Atmosfear wrote:
On Thursday, 15 October 2020 at 16:32:06 UTC, Imperatorn wrote:
On Thursday, 15 October 2020 at 12:45:42 UTC, Atmosfear wrote:
I didn't find how to call the queryperformancecounter function. I tried this. Returns errors, doesn't know what BOOL and LARGE_INTEGER are.

import core.sys.windows.windows;
import core.sys.windows.w32api;
import core.sys.windows.winbase;
pragma(lib, "kernel32");
extern (Windows)
{
BOOL QueryPerformanceCounter(LARGE_INTEGER *lpPerformanceCount);
}
void main()
{}

It's already defined. Just use QueryPerformanceCounter, (no extern).

I'm a newby. Can you show me an example? In which module is it?

Just import core.sys.windows.windows and call the function like so:

---
import core.sys.windows.windows;

void main() {
  LARGE_INTEGER pc;
  QueryPerformanceCounter(&pc);
}
---

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