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root namespace

Posted on 2006-07-13
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Last Modified: 2008-01-09
in vb.net there is possibility to set root namespace in project properties. Is there sth like this in c++/cli?
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Question by:PLABB
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LVL 48

Expert Comment

by:AlexFM
ID: 17098169
VB files generated by Application Wizard don't contain namespace declaration. By default, root namespace is applied to every class in VB project. For example, root namespace = Test, and Form1.vb file looks like:

Public Class Form1
End Class

For client project, Form1 is actually Test.Form1.

C++ project explicitly defines namesapaces in h-files. When you create it, it's header files by default look like:

#pragma once

using namespace System;

namespace Test
{
    public ref class Class1
    {
    };
}

If you want to change namespace, you need to do this manually in the code.

Microsoft approach is to make life easy for VB developers and add more flexibility to C++ and C#.
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Author Comment

by:PLABB
ID: 17106066
so to do nested namespaces the only way would be:

namespace n1
{
     namespace n2
     {
     }
}

any easier way?
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LVL 48

Accepted Solution

by:
AlexFM earned 2000 total points
ID: 17106090
Yes, this is the way. Notice that you need to build this namespace hierarchy in h-files, and cpp files with implementation code can optionally contain line
#using namespace n1::n2;
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