Defining Interfaces
An interface is a reference type which is defined within an Interface..End Interface
block. Interfaces define only signatures for members that classes will then expose and are basically a set of the members’ definitions. Imagine you want to create an interface that defines members for working with documents. This is accomplished with the following code:
The interface is marked as Public
because the default scope for interfaces is Friend
. Assigning public visibility ensures external assemblies use the interface (which is a common scenario).
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