The "UpdatePeople" procedure shows several different fields, across a couple of Tabs. This is how the second Tab of the window looks at run-time:
You can see here a small listbox, surrounded by several controls. This listbox is file-loaded. There are more records than fits in the listbox.
If the Vertical limited option is active, you will see the window as is:
If the Vertical limited option is not active, the listbox will expand vertically and if you also have the option Move controls on expanded text or list active, the surrounding controls will move and resize to adjust to the listbox, as shown below:
