C & C++ Programming - External Variables

/////////////////////////////////////////////////////////////////////////
// UsingExternClass.h

class CExtern
{
public:
 CExtern();
 CExtern(int X, int Y);

 ~CExtern();

 int m_nCount;
};

#include "stdafx.h"
#include "UsingExternClassObj.h"

//CExtern *g_objExtern = new CExtern();

//CExtern g_objExtern;
CExtern g_objExtern(11, 22);

CExtern::CExtern()
{
 m_nCount = 1000;
}

CExtern::CExtern(int X, int Y)
{
 m_nCount = X * Y;
}

CExtern::~CExtern()
{
}

#include "stdafx.h"

#include "UsingExternClassObj.h"

extern CExtern g_objExtern;
int x;

void TestExtern()
{
 cout << "Print the value of Count : " << g_objExtern.m_nCount << endl;
}