Make Visual Studio 2012 solution downloaded from article work with Metatrader 5 64 bits

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Hi,
I'm a C# developer and downloaded the code from the article "HOW TO EXPORT QUOTES FROM METATRADER 5 TO .NET APPLICATIONS USING WCF SERVICES" ( https://www.mql5.com/en/articles/27 ).
The problem is that my machine is a Windows 64 bits with MetaTrader 5 64 bits installed and I had to change the compile configurations to 64 bits in Visual Studio 2012.
Ok, it compiled normally, then I added one new method that aims to return a string to MT5 which i called ReadBroker2MeInstructions . Compiled again.

Then, when I try to call it in MT5, an error is thrown:

Error 

  
This happens when I call the method Create of the Service (first call to the dll):
  

1 

 

2 


 
As I am not a C++ developer (really need to learn...) don´t know exactly how to fix the error that shows up... oh... how I miss the simple and elegant Exception Stack Trace...
This must be easy for an experienced C++ developer. I just need that this dll works in my MT5 environment.
First, the error must be found and fixed (if exists one). Second, the developer just have to gave me the instructions on how to make work in my machine. Working in my machine, payment done, everyone happy!
I attached the code. 
If you have any questions, please let me know.
 
Thanks in advance,
 
Douglas Mendes 
 

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