How to use Dynamic External MFC CView Class Objects (which exists in a DLL library) in a VBA Host MFC Application

// TangramDllLeft.cpp : Implementation of DLL Exports.

#include "stdafx.h"
#include "TangramDllLeft.h"

class CTangramDllLeftModule : public CAtlDllModuleT< CTangramDllLeftModule >
{
public :
	DECLARE_LIBID(LIBID_TangramDllLeftLib)
	DECLARE_REGISTRY_APPID_RESOURCEID(IDR_TANGRAMDLLLEFT, "{7CBB78C1-C5CA-48ED-B655-70F977D436A1}")
};

CTangramDllLeftModule _AtlModule;

CTangramManager *m_pTangramManager = NULL;


BEGIN_MESSAGE_MAP(CTangramDllLeftApp, CWinApp)
END_MESSAGE_MAP()

CTangramDllLeftApp theApp;

BOOL CTangramDllLeftApp::InitInstance()
{
	InitLib();
    return CWinApp::InitInstance();
}

int CTangramDllLeftApp::ExitInstance()
{
    return CWinApp::ExitInstance();
}



// Used to determine whether the DLL can be unloaded by OLE
STDAPI DllCanUnloadNow(void)
{
    AFX_MANAGE_STATE(AfxGetStaticModuleState());
    return (AfxDllCanUnloadNow()==S_OK && _AtlModule.GetLockCount()==0) ? S_OK : S_FALSE;
}


// Returns a class factory to create an object of the requested type
STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID* ppv)
{
    return _AtlModule.DllGetClassObject(rclsid, riid, ppv);
}


// DllRegisterServer - Adds entries to the system registry
STDAPI DllRegisterServer(void)
{
    // registers object, typelib and all interfaces in typelib
    HRESULT hr = _AtlModule.DllRegisterServer();
	return hr;
}


// DllUnregisterServer - Removes entries from the system registry
STDAPI DllUnregisterServer(void)
{
	HRESULT hr = _AtlModule.DllUnregisterServer();
	return hr;
}