vpaned
vpaned is an instantiatable widget, of paned abstract type.
For the hpaned, and vpaned widgets use this API of paned.

Signals, properties and API will be derived from paned.

The packing of widget takes palce from Top-Botton manner

API 
create a new vpaned using
	GtkWidget *gtk_vpaned_new      (void);

example code: vpaned.c
see also: paned