It already is code, if you click the icon in Solution Explorer to "show all files" and expand the "+" at the Dataset.xsd you will see the linked Dataset.Designer.vb. This is the same as designer generated code for forms work.
If you're wondering how to add an instance of it to a form, add Dataset from toolbox and select "typed dataset" and your schema, now you will see a Dataset1 instance below the form view.