A Group allows organization of components, its child components. Its children are visually clipped to appear only within the Group's interior.
A Group also serves to cluster Choices. The user will only be able to choose one Choice child of any Group.
Standard Properties:
borderBottom, borderLeft, borderRight, borderTop, caption, children, class, enabled, height, left, look, numChildren, parent, proto, sizeHControl, sizeVControl, tile, tileHAlign, tileHInset, tileLayout, tileSpacing, tileVAlign, tileVInset, top, version, visible, width.
sizeHControl, sizeVControl: Only SIZE_AS_NEEDED and SIZE_AS_SPECIFIED will be supported. SIZE_AS_NEEDED will only be partially supported: when the component becomes visible and has height or width of zero, the component will size itself to a default value.