private ListItemCollection items; 

[Category("Varie"), Description("Insieme degli elementi dell'elenco."), DefaultValue((string) null), PersistenceMode(PersistenceMode.InnerDefaultProperty), MergableProperty(false)] 
public virtual ListItemCollection Items 
{ 
get 
{ 
if (this.items == null) 
{ 
this.items = new ListItemCollection(); 
if (base.IsTrackingViewState) 
{ 
this.items.TrackViewState(); 
} 
} 
return this.items; 
} 
} 

((IStateManager)this.items.TrackViewState()).TrackViewState()