/// <summary>
/// 当前栈顶UI隐藏并增加一个新的UI
/// </summary>
/// <param name="UI"></param>
public void HideTopAndAddUI(IUIBase UI)
{
if (m_UIStack.Count > 0)
{
IUIBase Top = m_UIStack.Peek();
if (Top != null)
{
Top.HideUI();
}
}
m_UIStack.Push(UI);
}