System Delphi

function FileTimeToDateTime(FileTime: TFileTime): TDateTime;
var
ModifiedTime: TFileTime;
SystemTime: TSystemTime;
begin
Result := 0;
if (FileTime.dwLowDateTime = 0) and (FileTime.dwHighDateTime = 0) then
Exit;
try
FileTimeToLocalFileTime(FileTime, ModifiedTime);
FileTimeToSystemTime(ModifiedTime, SystemTime);
Result := SystemTimeToDateTime(SystemTime);
except
Result := Now; // Something to return in case of error
end;
end;
function DateTimeToFileTime(FileTime: TDateTime): TFileTime;
var
LocalFileTime, Ft: TFileTime;
SystemTime: TSystemTime;
begin
Result.dwLowDateTime := 0;
Result.dwHighDateTime := 0;
DateTimeToSystemTime(FileTime, SystemTime);
SystemTimeToFileTime(SystemTime, LocalFileTime);
LocalFileTimeToFileTime(LocalFileTime, Ft);
Result := Ft;
end;