C# how to share variables between two dlls

I have two C# DLLs and need to share data between them.  What is the best way to implement it?  Thanks for the help.
cytelloAsked:
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ste5anSenior DeveloperCommented:
Create your own class instead, which stores this information and interact from this class with your assemblies.

Otherwise: explain your concreate problem and context.

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Imran Javed ZiaConsultant Software Engineer - .NET ArchitectCommented:
Hi,

You can create

public Static properties which can be accessed by any consumer.

Thanks
ste5anSenior DeveloperCommented:
@Imran: But you don't. Shared variables like this present a global state, which is evil. I m ean, bad from the testing and code-reuse perspective.
SriVaddadiCommented:
As long as both the assemblies (dlls) are in the same app domain, you could do as suggested by ste5an in comment

In case both are in different app domains, you could either derive it from MarshalByRefObject or Expose it through a WCF service using DataContract  and DataMember.
cytelloAuthor Commented:
Thanks all for the help.
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