Restore EiffelStudio Layout
Problem
While using EiffelStudio you may occasionally lose visibility of a tool pane. This can happen if you close the tool pane, either intentionally or inadvertently. It can also happen in the rare case in which the EiffelStudio tool layout becomes corrupt.
Solution
The methods that you can use to restore your lost tool are explained in this article:
How-to: restore EiffelStudio's layout