/// <summary>
/// slot call this function
/// </summary>
/// <param name="slot">Slot.</param>
public void UpdateSlotZOrder(Slot slot){
m_OrderSlots.Add(slot);
}
/// <summary>
/// slot call this function
/// </summary>
/// <param name="slot">Slot.</param>
public void UpdateSlotZOrder(Slot slot){
m_OrderSlots.Add(slot);
}