LabVIEW Express VI Development Toolkit User Guide Version 1.0 The LabVIEW Express VI Development Toolkit allows you to create and edit Express VIs, which you can distribute to users for building applications easily. This user guide contains five parts, each of which explains different aspects of how Express VIs work. Each part includes exercises that help you develop Express VIs. Throughout the exercises, you will learn how to use the Express VI Development Toolkit to create, edit, and distribute ExpressVIs。