They both have IsReadOnly Boolean property that should return true when implemented by a read-only collection.
它们都拥有IsReadOnly布尔型属性，当某个只读集合实现此属性后应返回true。
They both have IsReadOnly Boolean property that should return true when implemented by a read-only collection.
它们都拥有IsReadOnly布尔型属性，当某个只读集合实现此属性后应返回true。
应用推荐