глобальные переменные и их объявления

//But.h
#pragma once
class CBut : public CButton
{
    DECLARE_DYNAMIC(CBut)
public:
    CBut();
    virtual ~CBut();
protected:
    DECLARE_MESSAGE_MAP()
public:
    afx_msg void OnBnClicked();
    afx_msg void OnMButtonUp(UINT nFlags, CPoint point);
};

//But.cpp
#include "stdafx.h"
#include "P01.h"
#include "But.h"

IMPLEMENT_DYNAMIC(CBut, CButton)
CBut::CBut()
{
}

CBut::~CBut()
{
}

//DlgScrollable.h
..........
..........
#include "But.h";
class CDlgScrollable : public CDialog
{
// Construction
public:
    CListBox* pclb;
    CStatic* ps;
    CBut* but;
    class elem
        {
        public:
        .........
        .........
        }; 

    elem *pelka, *backup;
    elem& PrepareCreData(CString q);
    };

// DlgScrollable.cpp : implementation file
//
#include "stdafx.h"
#include "P01.h"
#include "DlgScrollable.h"
#include <math.h>
..............
CDlgScrollable::CDlgScrollable(CWnd* pParent /*=NULL*/)
    : CDialog(CDlgScrollable::IDD, pParent)
{
...........
}
// CDlgScrollable message handlers
BOOL CDlgScrollable::OnInitDialog()
{
    .............
    backup = new CDlgScrollable::elem();
    return TRUE;
}

CDlgScrollable::elem::elem()
    {
    }



CDlgScrollable::elem::elem(int n_q, int n_a, bool isTable)
    {
    ..................
    }

void CDlgScrollable::z_GenerateQ(int n)
    {
    pclb=new (CListBox);
    ps = new(CStatic);
    but = new (CBut);  
    but->Create(_T("button"), WS_CHILD|WS_VISIBLE|BS_PUSHBUTTON|LVS_REPORT, recbut, this, IDC_CLB);
    }

// P01Dlg.h : header file
//
#include "StdAfx.h"
#include "DlgScrollable.h"
class CP01Dlg : public CDialog
{
// Construction
public:
    CDlgScrollable* m_pdlgScroll;
}

// P01Dlg.cpp : implementation file
//
#include "stdafx.h"
#include "P01.h"
#include "P01Dlg.h"
................
................
BOOL CP01Dlg::OnInitDialog()
{
    CDialog::OnInitDialog();
...............
    m_pdlgScroll=new CDlgScrollable(this);
    return TRUE;  // return TRUE  unless you set the focus to a control
}