text: #ifndef __MYDLL_H__
  #define __MYDLL_H__
  
  #include <windows.h>
  
  
  #ifdef BUILD_DLL
      #define DLL_EXPORT __declspec(dllexport)
  #else
      #define DLL_EXPORT __declspec(dllimport)
  #endif
  
  //=============================here add your export func
  int DLL_EXPORT get_id(void);
  int DLL_EXPORT add(int,int);
  //=======================================================
  
  #endif // __MAIN_H__
  