title: How to make a callback to GO method from C++ DLL
body: <p>I have a GO program with a function that make a CGO call to c method defined in a dll. That part works great.. 
  Now i need to make a callback from my dll to GO. Is that possible, any helping pointers ?  </p>
  
  <p>Note that my DLL code is separate codebase which gets compiled and linked separately to generate dll using visual studio. I'm on windows 10 64 bit machine. </p>