winapi, dll

John Chapman johnch_atms at hotmail.com
Thu Oct 15 20:41:41 UTC 2020


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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