How can I use outlook restict method to filter the Outlook Items on LastModificationDateTime including Seconds Part of DateTime?

Question

I was reading http://msdn.microsoft.com/en-us/library/bb611267.aspx

but I need to use DateTimeObje.ToString("g") for Restrict Method I tried several other format but still it throws exception for other formats.

can any one has idea how can I get the outlook Items filter based on Full DateTime Part. ??