C / C++ / MFC

CMyCls* CEmr:GetCls(DWORD dwDId, DWORD dwClsId,BOOL bFe)
{
      CMyCls* pCls = NULL;
      switch (m_byClsFamily)//data type is BYTE
      {
            case _FAMILY_1_:
                  switch (dwClsId) 
                  {
                        case 0x8242:
                        if (bFe || (dwDId == DB_18C453))
                              pCls = new CMyCls1;
                              break;
                        case 0x8252:
                        if (bFe || (dwDId == DB_18C452))
                              pCls = new CMyCls2;
                              break;
                  ...
                  ... 
                  }
            break; 
            case _FAMILY_2_:
            ...
            case _FAMILY_3_:
            ...  
            case _FAMILY_4_:
            ...
            ...
            break; 
      }
return pCls;
}

// Control of the video window facilities<br />
CAnimateCtrl m_screen;<br />
// Handle to the MCI window for playing video (.avi and .mpg)<br />
HWND hMCI[4] = {NULL, NULL, NULL, NULL};<br />
<br />
hMCI[0] = MCIWndCreate(m_screen, AfxGetApp()->m_hInstance, MCIWNDF_SHOWALL | MCIWNDF_NOMENU | MCIWNDF_NOOPEN | MCIWNDF_NOPLAYBAR, "animation.mpg");	// 		<br />
PlayVideo(0);<br />
<br />
/* If the MCI video window has been activated the close it	*/<br />
/* This is so it can be resized when restarted				*/<br />
if(hMCI[index])<br />
{<br />
	MCIWndClose (hMCI[index]);<br />
	m_MainText.ShowWindow (SW_SHOW);	<br />
	playVideo = true;<br />
	displayed = false;<br />
	m_screen.ShowWindow (SW_HIDE); <br />
}<br />
<br />
void CEmuDlg::PlayVideo(short index)<br />
{<br />
	if(playVideo)<br />
	{<br />
		m_MainText.ShowWindow (SW_HIDE);<br />
		m_screen.ShowWindow (SW_SHOW); <br />
		// Arrange for the window to be maximised for the Animation control size stingray_animation.mpg<br />
		::ShowWindow(hMCI[index],SW_MAXIMIZE);<br />
		// Play the video<br />
		MCIWndPlay(hMCI[index]);<br />
		/* Arrange for the video to be played repeatedly	*/<br />
		MCIWndSetRepeat(hMCI[index],TRUE);	// Only works for actions on Menu Bar of the MCI<br />
		playVideo = false;<br />
	}<br />
	else<br />
	{<br />
		// Hide the animation window<br />
		MCIWndPause(hMCI[index]);<br />
		//MCIWndStop(hMCI);<br />
		//MCIWndClose(hMCI);<br />
		m_screen.ShowWindow (SW_HIDE); <br />
		playVideo = true;<br />
		// Is the clear box checked?<br />
		if(!m_pClear.GetCheck ())<br />
			m_MainText.ShowWindow (SW_SHOW);<br />
	}<br />
}