Web Development

i am automating outllok's recurrance pattern with vb. I set all the options of that except one or two. i didn't find that in vb.

That options are:
1.Day (First option in left side) - Second Option weekend day
2.Month (second option in left side) and year(third option in right side) - Day,Weekday, weekendday (in the first combo list)

how to set this options from vb.
pl. reply me soon.
i am waiting for that as this is very urgent..