wie aus eigener systemtime richtiges datum machen??

[lbccaleb]

nach langem suchen habe ich jetzt was gefunden, nur leider ist das in c++ und genau da drin bin ich ne totale niete ;-(

gibt es jemand der mir das mal nen bissel in deutsch, bzw delpisch umschreiben kann

working with file time

also das convertieren von systemtime und filetime damit habe ich keine probleme aber wie addiere ich zeiten auf tfiletime?? das raff ich nicht wirklich!!

edit:
das währe das hier:

Zitat:

MORE INFORMATION
The FILETIME structure represents the number of 100-nanosecond intervals since January 1, 1601. The structure consists of two 32-bit values that combine to form a single 64-bit value.

typedef struct _FILETIME {
DWORD dwLowDateTime;
DWORD dwHighDateTime;
} FILETIME;


Note that the FILETIME structure is based on 100-nanosecond intervals. It is helpful to define the following symbols when working with file times. For example:

#define _SECOND ((int64) 10000000)
#define _MINUTE (60 * _SECOND)
#define _HOUR (60 * _MINUTE)
#define _DAY (24 * _HOUR)


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Performing Arithmetics with File Times
It is often necessary to perform a simple arithmetic on file times. For example, you might need to know when a file is 30 days old. To perform an arithmetic on a file time, you need to convert the FILETIME to a quadword (a 64-bit integer), perform the arithmetic, and then convert the result back to a FILETIME.

Assuming ft is a FILETIME structure containing the creation time of a file, the following sample code adds 30 days to the time:

ULONGLONG qwResult;

// Copy the time into a quadword.
qwResult = (((ULONGLONG) ft.dwHighDateTime) << 32) + ft.dwLowDateTime;

// Add 30 days.
qwResult += 30 * _DAY;

// Copy the result back into the FILETIME structure.
ft.dwLowDateTime = (DWORD) (qwResult & 0xFFFFFFFF );
ft.dwHighDateTime = (DWORD) (qwResult >> 32 );