Is there a way to use a namespace, such as "Library", and have a program with a different namespace include the Library namespace?

Question

For many years, I have maintained a library of often used functions for C++.  This has become more challenging with the required namespace for C#. 
Is there a way to use a namespace, such as "Library", and have a program with a different namespace include the Library namespace?
bhs67

Answer 1

You could create a class X in a namspace Y in a C# class library project. You can then add a reference to this class library project/assembly from every application in which you intend to use the class X in namespace Y.
You don't add references to namespace, you add references to assemblies in .NET. You can then use a class in namespace Y of any referenced assembly by adding a using directive at the top of the code file in which you reference the class:
using Y;
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