CThreadPool

 class CThreadPool
 {
 public: 

     template <typename T>
     static void QueueUserWorkItem(void (T::*function)(void),
         T *object, ULONG flags = WT_EXECUTELONGFUNCTION)
     {
         typedef std::pair<void (T::*)(), T *> CallbackType;
         std::auto_ptr<CallbackType> p(new CallbackType(function, object)); 

         if (::QueueUserWorkItem(ThreadProc<T>, p.get(), flags))
         {
             // The ThreadProc now has the responsibility of deleting the pair.
             p.release();
         }
         else
         {
             throw GetLastError();
         }
     } 

 private: 

     template <typename T>
     static DWORD WINAPI ThreadProc(PVOID context)
     {
         typedef std::pair<void (T::*)(), T *> CallbackType; 

         std::auto_ptr<CallbackType> p(static_cast<CallbackType *>(context)); 

         (p->second->*p->first)();
         return ;
     }
 };

https://code.msdn.microsoft.com/vstudio/CppWindowsService-cacf4948/sourcecode?fileId=21604&pathId=1789278805