C# 可序列化的继承
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Serializable Inheritance
提问by Joe Morgan
If something inherits from a Serializable class, is the child class still Serializable?
如果某些东西继承自 Serializable 类，那么子类是否仍然是 Serializable？
采纳答案by Marc Gravell
It depends what you mean be serializable. If you mean the CLI marker (i.e. the [Serializable]attribute), then this is notinherited (proof below). You must explicitly mark each derived class as [Serializable]. If, however, you mean the ISerializableinterface, then yes: interface implementations are inherited, but you need to be careful - for example by using a virtualmethod so that derived classes can contribute their data to the serialization.
这取决于您的意思是可序列化。如果您指的是 CLI 标记（即[Serializable]属性），那么这不是继承的（证明如下）。您必须将每个派生类显式标记为[Serializable]. 但是，如果您指的是ISerializable接口，那么是的：接口实现是继承的，但您需要小心 - 例如，通过使用一种virtual方法，以便派生类可以将其数据贡献给序列化。
using System;
class Program
{
static void Main()
{
Console.WriteLine(typeof(Foo).IsSerializable); // shows True
Console.WriteLine(typeof(Bar).IsSerializable); // shows False
}
}
[Serializable]
class Foo {}
class Bar : Foo {}
