C / C++ / MFC

#include <windows.h><br />
<br />
int WINAPI WinMain(HINSTANCE hThisInstance, HINSTANCE hPrevInstance, LPSTR lpszArgument, int nFunsterStil) {<br />
return 0;<br />
}

--------------------Configuration: project - Win32 Debug--------------------<br />
Compiling...<br />
project.cpp<br />
Linking...<br />
LIBCD.lib(crt0.obj) : error LNK2001: unresolved external symbol _main<br />
Debug/project.exe : fatal error LNK1120: 1 unresolved externals<br />
Error executing link.exe.<br />
<br />
project.exe - 2 error(s), 0 warning(s)

class __declspec( dllexport/import ) A
{
public:
  A();
  MethodA();
};

class __declspec( dllexport/import ) B : public A
{
public:
  B();
  MethodB();
};

class C
{
  B b;
public:
  C();
  MethodC()
  {
    b.MethodB(); // This is fine
    b.MethodA(); // This gives me error C2039: 'MethodA' : is not a member of 'B'
  }
};