Visual Basic 2015 Unleashed

Exposing Custom Types

Properties can expose both reference and value types, and they are not limited to built-in .NET types. Thus, you can expose your custom classes and structures through properties. The following code shows an Order class that exposes a property of type Customer; such type is another custom class representing a fictitious customer of your company:

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Public Class Customer    Public Property CompanyName As String    Public Property ContactName As StringEnd ClassPublic Class Order    Public Property CustomerInstance As Customer    Public Property OrderID As IntegerEnd Class

You can use the same technique for exposing custom structures. After all, you do nothing different from when you expose strings ...