protected override void OnStart()
{
// vertical
var multiObjectPool = m_ScrollRect_Vertical.GetObjectPool <UIMultiObjectPool>();
multiObjectPool.WarmPool(m_PushSize / 2, m_Signs[0]); // 对象池预加载，可选
multiObjectPool.WarmPool(m_PushSize / 2, m_Signs[1]); // 对象池预加载，可选
multiObjectPool.OnSignGetter = (index) =>
{
return(m_Signs[index % 2]);
};
m_ScrollRect_Vertical.RegisterParentView(this); // 注册 Parent View，可选
m_ScrollRect_Vertical.ListenLoadingStart(() => // 如果勾选了 Auto Loading ，则需要监听这个事件
{
StartCoroutine(LoadDataCoroutine());
});
// horizontal
var simpleObjectPool_Horizontal = m_ScrollRect_Horizontal.GetObjectPool <UISimpleObjectPool>();
simpleObjectPool_Horizontal.WarmPool(m_PushSize * 2); // 对象池预加载，可选
// grid
var simpleObjectPool_Grid = m_ScrollRect_Grid.GetObjectPool <UISimpleObjectPool>();
simpleObjectPool_Grid.WarmPool(m_PushSize * 2); // 对象池预加载，可选
}