Getting milliseconds accuracy current time in Qt

Question

Qt documentation about QTime::currentTime() says :

Note that the accuracy depends on the accuracy of the underlying operating system; not all systems provide 1-millisecond accuracy.

But is there any way to get this time with milliseconds accuracy in windows 7?

Answer 1

you can use the functionality provided by time.h header file in C/C++.

#include <time.h> 
clock_t start, end; 
double cpu_time_used; 
int main()
{
    start = clock();
    /* Do the work. */ 
    end = clock(); 
    cpu_time_used = ((double)(end-start)/ CLOCKS_PER_SEC);
}

Answer 2

You can use QDateTime class and convert the current time with the appropriate format:

QDateTime::currentDateTime().toString("yyyy/MM/dd hh:mm:ss,zzz")

where 'z' corresponds to miliseconds accuracy.