.net - Can the C# interactive window interact with my code?

Question

In Visual Studio 2015 or later, I can open the 'C# interactive window', and run code:

> 5 + 3
8

That's cute. Now how can I interact my code—my classes? Assume I have a project open.

> new Cog()
(1,5): error CS0246: The type or namespace name 'Cog' could not be found (are you missing a using directive or an assembly reference?)

Answer 1

When using Visual Studio 2015:

You can open the Interactive window by navigating to Views > Other Windows > C# Interactive,

Then just right click your project and run Initialize Interactive with Project from the context menu.

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For older versions:

To use the C# Interactive Window with your code, ensure you first compile your code, then add a reference to the resulting assembly with the #r command like so:

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You can also use the Immediate Window to interact with your code as well, like so: