It's time to make our first real Action, and finally put that Tooltip Preview in our editor!

This is the third post in my series on creating an InventoryItem Editor in Unity that will edit any child of InventoryItem.  If you're not caught up, you can read

In this section, we're going to deal with the issue of how the editor can edit any child without having to know all the details of each child. We're going to do this by taking advantage of an important principle in C# and OOP in general, called Inheritance.