SimSimStudy

SYSTEMTIME t;

GetLocalTime(&t);

/*

typedef struct _SYSTEMTIME {

WORD wYear;

WORD wMonth;

WORD wDayOfWeek;

WORD wDay;

WORD wHour;

WORD wMinute;

WORD wSecond;

WORD wMilliseconds;

} SYSTEMTIME;

*/

또는 

CTime::GetCurrentTime();

// 

CString str = _T("test");
CStringA strA = CStringA(str);

char cArray[strA.GetLenght() + 1] = {0x00, };
memcpy(cArray, strA.GetBuffer(), strA.GetLength());

--------------------------

CString => const char*
CString strTest = _T("test");
const char* cTest;
cTest = (CStringA)strTest;

---------------------------

const char* -> CString
const char* cTest = "test";
CString strTest;
strTest = (CString)cTest;

{
  LARGE_INTEGER Frequency;
  LARGE_INTEGER BeginTime;
  LARGE_INTEGER Endtime;
  __int64 elapsed;
  double duringtime;
     
  //프로그램이나 클래스 시작부분에
  QueryPerformanceFrequency( &Frequency );
 
  //사용하고자 하는 부분
  QueryPerformanceCounter( &BeginTime );
 
///////////////////////////////// 
  QueryPerformanceCounter( &Endtime );
  elapsed = Endtime.QuadPart- BeginTime.QuadPart; 
  duringtime = (double)elapsed / (double)Frequency.QuadPart;
 
  duringtime *=1000;  //ms로 변환
TRACE(_T("---------%f\r\n"), duringtime);
}