public static FILETIME ToFileTime(DateTime?dateTime)
{
var longTime = dateTime.HasValue ? dateTime.Value.ToFileTime() : long.MaxValue << 1;
return(new FILETIME()
{
dwHighDateTime = LongUtil.High(longTime),
dwLowDateTime = LongUtil.Low(longTime),
});
}
public static DateTime?FromFileTime(FILETIME fileTime)
{
var longTime = LongUtil.MakeLong(fileTime.dwHighDateTime, fileTime.dwLowDateTime);
return(longTime != 0 ? DateTime.FromFileTime(longTime) : (DateTime?)null);
}