I don't often have occasion to use Child GUIs.  I find the multitude of options confusing. The example below I made for my own purposes, to have a visual guide to what the various Style and Extended Style options lead to. Comments are much appreciated.  This can be extended with many more examples and comments and why certain Styles are to preferred or avoided.  Where certain types of Child GUIs are most suitable etc.   The code is very basic.  It is intended to show GUI Styl