class CMyClass
{
public:
    CMyClass(void);
    ~CMyClass(void);
public:
    static CMyClass* GetInstance();
private:
    static CMyClass* m_pMyClass;
};

#include "MyClass.h"

CMyClass* CMyClass::m_pMyClass = NULL;
CMyClass::CMyClass(void)
{
}

CMyClass::~CMyClass(void)
{
    if (NULL != m_pMyClass)
    {
        delete m_pMyClass;
        m_pMyClass = NULL;
    }
}

CMyClass* CMyClass::GetInstance()
{
    if (NULL == m_pMyClass)
    {
        m_pMyClass = new CMyClass();
    }
    return m_pMyClass;
}