'宣言 Protected Overridable Sub OnOwnerChanging()
'使用法 Dim instance As MapOwnedItemBase instance.OnOwnerChanging()
protected virtual void OnOwnerChanging()
'宣言 Protected Overridable Sub OnOwnerChanging()
'使用法 Dim instance As MapOwnedItemBase instance.OnOwnerChanging()
protected virtual void OnOwnerChanging()