CFDateGetAbsoluteTime

CFDateRefからCFAbsoluteTimeを返します

CFAbsoluteTime  CFDateGetAbsoluteTime ( 
                 CFDateRef   theDate );

解説

CFDateRefからCFAbsoluteTimeを返します。

返り値

引数

( CFDateRef )theDate

フレームワーク

CoreFoundation

クラス

CFDate

Function

使用可能

10.0

参照

例文

#include <CoreFoundation/CoreFoundation.h>

int main (int argc, const char * argv[]) {
	CFAbsoluteTime timeNow1 = CFAbsoluteTimeGetCurrent();
	CFDateRef date1 = CFDateCreate(kCFAllocatorDefault,timeNow1);
	CFAbsoluteTime timeNow2 = CFDateGetAbsoluteTime(date1);

	CFGregorianDate current = CFAbsoluteTimeGetGregorianDate( timeNow2, NULL );
	
	double dsecs = floor(current.second);
	unsigned int second = (unsigned int)dsecs;
	
	double milliseconds = (current.second - dsecs) * 1000.0;
			
   	CFStringRef theString = CFStringCreateWithFormat (kCFAllocatorDefault,NULL,CFSTR("%@ %d.%d.%d %d:%d:%d.%u\n"), 
								CFSTR("Now"),current.year, current.month, current.day,
								current.hour, current.minute, second, (unsigned int)milliseconds);
	CFShow(theString);


	
    return 0;
}