GtkVBoxA vertical box for organizing child widgets.
Hierarquia de Objetos
The GtkVBox container is designed to organize child widgets along a single column, allocating the same width to all children. This overrides any child requisition size, and child widgets that take up less than the allocated width are vertically centered by default.
ConstrutoresGtkVBox ([bool homogeneous = false [, int spacing = 0]]);-- Creates a container for arranging widgets vertically.