AutoCAD Inventor :: Create New Ribbon With Button

How to create a ribbon with a button. I am creating an add-in for Inventor. I am trying to put this code in the Activate Sub but it's not adding the ribbon once I open a drawing. Just trying to use this example to get me started.

public void AddParallelEnvironment(){ Application oApp = ThisApplication; // Get the Environments collection Environments oEnvironments = oApp.UserInterfaceManager.Environments; // Create a new environment Inventor.Environment oNewEnv = oEnvironments.Add("Some Analysis", "SomeAnalysis", null, null, null); // Get the ribbon associated with the assembly environment
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