dialog_group->kind

dialog_group ->kind: kind=[{box,group}]

Set default appearance. The default dialog_group->kind is box. Its values:

box: Sets dialog_group<-border to @default, dialog_group<-label to the dialog_group<-label_name calculated from the graphical<-name and graphical<-pen to 1. This results in a (3d-) box with a label containing the items, which is normally used to visually group items for the user.
group: Sets dialog_group<-border to size(0,0), dialog_group<-label to” and graphical<-pen to 0. This mode is normally used to group dialog items for technical reasons. One such reason is the definition of a single dialog item for a special type that requires multiple sub-items as a subclass of class dialog_group. The other is to subdivide the items in a dialog window in multiple groups to define layouts that do not fit in the standard matrix layout provided by dialog windows.