/// <summary> /// /// </summary> /// <param name="caption"></param> /// <param name="index"></param> /// <param name="callback"></param> /// <returns></returns> public GButton AddItemAt(string caption, int index, EventCallback0 callback) { GObject obj = _list.GetFromPool(_list.defaultItem); _list.AddChildAt(obj, index); GButton item = (GButton)obj; item.title = caption; item.data = callback; item.grayed = false; Controller c = item.GetController("checked"); if (c != null) { c.selectedIndex = 0; } return(item); }