An example of a Foliotracker with multiple stock portfolios open.
The user can:
- Add a new stock to his/her portfolio.
- Switch to another portfolio using the tab control.
- Double-click on a stock for editing purposes.
- Close the current portfolio.
- Delete the current portfolio.

After double-clicking on a stock, this dialog pops up.
The user can:
- Edit the number of shares and initial value of his/her stock.
- Save the inputed information.
- Cancel and leave the stock information alone.
- Delete the current stock from their portfolio.

A view of an empty portfolio and the Folio menu.
An example of an error message when a user clicks on the Add button after entering invalid data.