考虑以下情况:
Public Class Store
Public Overridable Property Areas As List(Of Area)
End Class
Public Class Area
Public Overridable Property Shelves As List(Of Shelf)
End Class
Public Class Shelf
Public Property ID as integer
End Class
如何快速获取商店货架的总数量?例如,对于一个商店,我可以使用Areas.Count来获取区域的总数。
或者我需要循环遍历每个区域并统计货架数量吗?