How to pass strings from C++ to C#

Here is what I am trying to do:

I have a C# application that contains an unmanaged C++ project.  The C++ project is responsble for collecting messages from a "server" via ethernet then firing an event so that the C# knows that there is a new message. Then the C# reads the message.  

I have the event working, but I am seeing issues with getting the string to the C# code.  In the C++ dll the message is available as a wstring.  What is the best way to do this?  
efryevtAsked:
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jkrConnect With a Mentor Commented:
This method probably would be the easiest approach: http://www.codeproject.com/KB/cs/wm_copydata_use.aspx ("Use WM_COPYDATA to send data to/from C++ and C# Windows processes")
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efryevtAuthor Commented:
I would not of thought to do it this way, but it works like a charm...once I got it to compile in my project.  Thanks.
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