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Defining Custom Interfaces

Now that you better understand the overall role of interface types, let’s see an example of defining

custom interfaces. To begin, create a brand-new Console Application named CustomInterface.

Using the Project ➤ Add Existing Item menu option, insert the files containing your shape type defi-

nitions (MyShapes.cs and Shape.cs in the book’s solution code) created back in Chapter 6 during the

Shapes example. Once you have done so, rename the namespace that defines your shape-centric

types to CustomInterface (simply to avoid having to import namespace definitions within your new

project):

namespace CustomInterface

{