反序列化到自我 [英] Deserialize to self

问题描述

好吧，我可能只是有一个史诗般的失败在这里，但我心里想说这应该工作。

Ok, I'm probably just having an epic fail here, but my mind wants to say this should work.

假设DataProtect.DecryptData需要一个加密的字符串作为输入和一个解密的字符串作为输出。假设deserializeXML进行适当的对象，从新近解密的字符串返回。

Assume DataProtect.DecryptData takes an encrypted string as input and a decrypted string as output. Assume deserializeXML makes the appropriate object and returns it from the newly decrypted string.

所以。为什么不这项工作？

So. Why wouldn't this work?

class ArrivedDetails
{
///...

    internal ArrivedDetails(string encrypted)
    {
        this = DataProtect.deserializeXML(DataProtect.DecryptData(encrypted));
    }
///...

给我的误差

Gives me an error of

Cannot assign to '<this>' because it's read only

更具体地说,,我怎么能得到这个工作？我基本上是要解密对象的序列化XML版本，然后在构造函数中反序列化。

More specifically,, how can I get this working? I essentially want to decrypt an XML serialized version of the object and then deserialize it within the constructor.

我愿意你不能（有一个解释），我可以把它放在其他地方，只是赋值，心里说，这样的事情应该是可能的。

I'm open to "you can't" (with an explanation) as I can put it elsewhere and just assign values, but my mind says something like this should be possible.

推荐答案

没有，这不是不可能的构造函数，则无法重新分配这个

No, this is not impossible with a constructor, you can't reassign this.

使用一个静态方法来代替：

Use a static method instead:

public static ArrivedDetails CreateFromString(string encrypted)
{
    return DataProtect.deserializeXML(DataProtect.DecryptData(encrypted));
}

调用它：

Call it:

ArrivedDetails details = ArrivedDetails.CreateFromString(encrypted);

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