Although the article is marked as Deleted you should still be able to read the text (at least I can).
Or you could look at
A Windows.Forms.ComboBox with Item 'Super' ToolTips for 32 bit Windows XP (SP2)[
^]
The author hasn't been active on this site since 2010 so I don't think you will be able to contact him.
Alternatively you can try google for other solutions e.g.
.net - Tooltip for each items in a combo box - Stack Overflow[
^]
or
how to add a tooltip to the combobox control's item[
^]
Another alternative - post your
actual problem as a question here!
Finally, never put your email address out on an open forum like this - unless you like getting hit by spam that is. I'll use the
Improve question link to update it for you on this occasion.