= class Gtk::HBox
Gtk::HBox is a container that organizes child widgets into a single row. 
Use the Gtk::Box packing interface to determine the arrangement, spacing, width, and alignment of Gtk::HBox children. 
All children are allocated the same height. 

== Object Hierarchy
* Object
  * GLib::Instantiatable
    * GLib::Object
      * Gtk::Object
        * Gtk::Widget
          * Gtk::Container
            * Gtk::Box
              * Gtk::HBox

== Class Methods
--- Gtk::HBox.new(homogeneous = false, spacing = nil)
    Creates a new Gtk::HBox. 
    * homogeneous: true if all children are to be given equal space allotments.  
    * spacing: the number of pixels to place by default between children.  
    * Returns: a new Gtk::HBox.  

== See Also
Gtk::VBox a sister class that organizes widgets into a column.

- ((<Masao>))
