2.1.8.36 SystemTimeToFileTime

1 Description
2 Syntax
3 Parameters
4 Return
5 Examples
6 Remark
7 See Also
8 Header to Include
9 Reference

Description

Converts a system time to 64-bit file time

Syntax

BOOL SystemTimeToFileTime( const SYSTEMTIME * lpSystemTime, FILETIME * lpFileTime )

Parameters

lpSystemTime: [input] Pointer to a SYSTEMTIME structure that contains the time to be converted.; The wDayOfWeek member of the SYSTEMTIME structure is ignored.
lpFileTime: [output] Pointer to a FILETIME structure to receive the converted system time.

Return

If the function succeeds, the return value is true; else return false;

Examples

EX1

int SystemTimeToFileTime_ex1()
{
    string strFileName = "c:\\test.txt";
    BOOL bRet = FALSE;
    HANDLE hFile = CreateFile(strFileName, GENERIC_WRITE, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
    if (hFile != INVALID_HANDLE_VALUE)
    {
        FILETIME ft;
        SYSTEMTIME st;
        GetSystemTime(&st);              // gets current time
        SystemTimeToFileTime(&st, &ft);  // converts to file time format
        bRet = SetFileTime(hFile,NULL, NULL, &ft);
        CloseHandle(hFile);
    }
    return 1;
}