How to import C++ dll in Windows Phone Project

Question

I have created a DLL file in C++. I want to import it in my Windows Phone project. I have followed a number of instructions from different sources, even when I run my code I

Answer 1

Platform invoke and C++/CLI is not supported on Windows 7 Phone.

However, you can use it on Windows 8 Phone. Of course, on Windows 8, you should probably just write the whole app in C++--better battery life and performance.

http://msdn.microsoft.com/en-us/library/windowsphone/develop/jj681687(v=vs.105).aspx