Namespaces that extends other namespace in c#

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C#

namespace X
{
 internal class base
 {

 }
}

namespace X.a
{
  internal class derive:base
  {

  }
}

why does this work?

How can the derive class be derived from the base class when they have 2 diferent namespaces though X.a is an extension?

shouldnt there be a using X in the namespace of X.a or is it implicitly called?

Thanks in advance.

Posted 15-Oct-12 14:04pm

jackel7777

Updated 15-Oct-12 14:19pm

v3

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Sergey Alexandrovich Kryukov 15-Oct-12 21:28pm

This is how namespaces work. What's wrong or unusual with that? I don't think it's "extension". All namespace rules are pure naming rules; they carry no semantic, whatsoever. Can this thought help? In case of doubt, just read the namespace section of the manual.
--SA

surendersinghprajapati 16-Oct-12 1:48am

This works perfect and this is what should be. Please read guidelines for name spaces in case more information needed.

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Anandkumar D · Accepted Answer · 2012-10-15T19:09:00

A nested namespace should have a dependency on types in the containing namespace. For example, the classes in the System.Web.UI.Design depend on the classes in System.Web.UI. However, the classes in System.Web.UI do not depend on the classes in System.Web.UI.Design.

Check this

http://msdn.microsoft.com/en-us/library/893ke618(v=vs.71).aspx[^]