Please find below presentation from lesson 5.
Feel free to ask questions.
You can find more information about property nodes and invoke nodes under links listed below, and also in LabVIEW Help in LabVIEW Environment.
What is more, you can check the Sample of LabVIEW Core 2 Course Manual (ftp://ftp.ni.com/evaluation/training/lvcore2_coursemanual_english_sample.pdf) in which there is the section 5 about Controling the User Interface. This documentation is very similar to what we have been talking about during our lesson.