//--- file "a.h" ----

class A
{
public:
	A(){};
	~A(){};


	void TestA();
};


//--- file "a.cpp" ----

#include "stdafx.h"
#include "a.h"

void A::TestA()
{
	//...
}


//--- file "b.h" ----

#include "a.h"

class B : public A
{
public:
	B(){};
	~B(){};

	void TestB();
};


//--- file "b.cpp" ----

#include "stdafx.h"
#include "b.h"

void B::TestB()
{
	//...
}


//--- file "b2.h" ----

#include "a.h"

class B2 : public A
{
public:
	B2(){};
	~B2(){};

	void TestB2();
};



//--- file "b2.cpp" ----

#include "stdafx.h"
#include "b2.h"

void B2::TestB2()
{
	//...
}



//--- file "MAIN.cpp" ----

#include "stdafx.h"

#include "b.h"
#include "b2.h"

int main(int argc, char* argv[])
{
	printf("Hello Brian!\n");

	B pB;
	B2 pB2;

	pB.TestB();
	pB2.TestB2();

	return  0 ;
}