Consider a more real-world example

### Type of issue

Missing information

### Description

This tutorial would be better with a real world COM class implemented in C#.

### Page URL

https://learn.microsoft.com/en-us/dotnet/csharp/advanced-topics/interop/example-com-class

### Content source URL

https://github.com/dotnet/docs/blob/main/docs/csharp/advanced-topics/interop/example-com-class.md

### Document Version Independent Id

2e97255a-c819-23ac-f805-8b24b84ec358

### Article author

@BillWagner

### Metadata

* ID: 0e0deec8-1aa2-2685-03e8-93b5584a3a3e
* Service: **dotnet-csharp**
* Sub-service: **advanced-concepts**