我的对象知道它的所有者吗? [英] Does my Object know it's owner?

问题描述

我已经考虑了一段时间了.一个对象可以在没有直接引用(例如属性)的情况下知道它的所有者.示例:

I have been thinking about this for some time. Can an object know it''s owner without a direct reference like a property. Example:

Public Class foo 'owner

  Private fBar As New foobar 'owned object - belongs to class foo
  'fbar.Owner = foo 'direct property way
End Class

Public Class foobar
  ...
End Class

那么fBar是否有办法知道它的所有者/类别?反射可以做到吗?

So is there a way that fBar knows it''s owner/class? Can reflection do it?

推荐答案

否.如果引用了任何对象，则仅使用被引用对象是不够的，它可以获得此信息.这是编程的基本事实.反射在这里无济于事，因为这是数据，而不是元数据.

—SA

No. If any object is referenced, using referenced object along is not enough it get this information. This is a fundamental fact of programming. Reflection cannot help here, because this is data, not meta-data.

—SA

您可以尝试在同一Class内的以下代码获取声明了fBar 的Class的 Type .

You may try below code inside same Class to get Type of Class in which fBar is declared.

Public Class foo 'owner

  Private fBar As New foobar 'owned object - belongs to class foo
  'fbar.Owner = foo 'direct property way

  Type t = GetType(Me)


End Class

Public Class foobar
  ...
End Class

请查看以下链接，以获取有关此内容的更多信息.

http://msdn.microsoft.com/en-us/library/system.object. gettype.aspx

http://msdn.microsoft.com/en-us/library/20fy88e0 (v = VS.100).aspx

当您动态参考Dll时，反射非常有用.我认为在这种情况下，您真的不需要反思.

Have a look at below links for more information on this.

http://msdn.microsoft.com/en-us/library/system.object.gettype.aspx

http://msdn.microsoft.com/en-us/library/20fy88e0(v=VS.100).aspx

Reflection is useful when you are refferring to your Dll dynamically. I do not think in this case you really need reflection.

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