Drag what equations? To answer your question, yes, you would put the code to perform the specific action to perform when the case is true, or when the case is false. Have you done the tutorials? Your question is an extremely basic and fundamental one.
To learn more about LabVIEW it is recommended that you go through the tutorial(s) and look over the material in the NI Developer Zone's Learning Center which provides links to other materials and other tutorials. You can also take the online courses for free.
