OK, I’ve probably misunderstood something here but, as far as I can see …

Question

Editorial Team

Asked: May 14, 20262026-05-14T22:58:02+00:00 2026-05-14T22:58:02+00:00

An extension method has to be contained in a module, not a class
You can’t make methods in modules Static/Shared
Therefore you can’t use an extension method on a class without instantiating it.

In other words you can’t make an extension method on String called “MyExtensionMethod” and use:

String.MyExtensionMethod("String")

But instead ..

Dim test As String
test.MyExtensionMethod("string")

Is this correct? Or is there a way I can get extension methods to work as static methods?

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Editorial Team · Answer 1 · 2026-05-14T22:58:03+00:00

Editorial Team

You are correct. Extension methods can only act on instances of a type.

And no, unfortunately there’s no crafty way to write extension methods that act on the types themselves, behaving like static methods.

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