Re sizing works as expected with the Softvelocity templates.

What works best, and is shown in the demo/example files, is to set resize strategy to surface.

Then override the Control strategies for the groups of controls from the BST Template Suite.

The Groups are all named ?BSG1 with a Instance number after them so they are easy to find on the lookup lists.

The Small calendar is the exception with ?BsSG1

These settings keep the original size of the controls, and move them allowing maximum real estate for the Listbox to expand as the screen is resized.