gtk/gtk.go
func (v *Container) GetBorderWidth() uint {
	c := C.gtk_container_get_border_width(v.native())
	return uint(c)
}
func (v *Container) GetBorderWidth() uint {
	c := C.gtk_container_get_border_width(v.native())
	return uint(c)
}
// TODO: gtk_container_forall
// GetBorderWidth is a wrapper around gtk_container_get_border_width().