func (l *List) CanPageDown() bool {
	max := len(l.scope)
	return l.start+l.size < max
}
func (l *List) CanPageDown() bool {
	max := len(l.scope)
	return l.start+l.size < max
}
func ( l * List ) CanPageDown ( ) bool { max := len ( l . scope ) return l . start + l . size < max }
// CanPageDown returns whether a list can still PageDown().
CanPageDown returns whether a list can still PageDown () .