Hi,

I need to write an Add-In for Excel that can provide the following
functionality:

User enters into any cell a function call like [=GetQuote('IBM', 10)],
result being the cell's value updating with a new IBM's Stock Quote every 10
seconds.

Assuming I have the Quote data available, is this possible? What are the
best ways to do it in Excel.

The ultimate goal is to distribute an Add-in to users interested in this
functionality.

If possible, I do not want to depend on Cell's coordinate.

Thanks for any help.

- vlad