C / C++ / MFC

    CBitmap 	*bitmap;
    CDC 		memDC;
    CRect		rect;
    CWnd *pWnd=m_pWndHide;//->GetWindow(GW_HWNDFIRST);
//    CWindowDC	dc(pWnd);

    memDC.CreateCompatibleDC(&m_hDC);//(&dc);

    // Calculate required height from specified width
    int height = CAH_glo_y * width / CAH_glo_x;

	bitmap = new CBitmap();
    //The next line will occur "Access Violation 0xC0000005"
    bitmap->CreateCompatibleBitmap(&m_hDC, width, height );//(&dc, width, height );
    CBitmap* pOldBitmap = memDC.SelectObject(bitmap);
    // using the current background colour (assume white for the moment)
    memDC.PatBlt(0, 0, width,height, WHITENESS);
    ...

...
pEntry->pEntryNext = pHead->pEntryNext;
pEntry->pEntryPrev = pHead;
pHead->pEntryNext = pEntry;
pEntry->pEntryNext->pEntryPrev = pEntry;//Stop here
...

void CMeiTengDlg::OnPause() 
{
	// TODO: Add your control notification handler code here
	if(Pause)
	{
		m_Pause.SetWindowText("Pause");
		MCIWndResume(m_Video);
		Pause = FALSE;
	}
	else
	{
		m_Pause.SetWindowText("UnPause");
		MCIWndPause(m_Video);
		Pause = TRUE;
	}
}

void CMeiTengDlg::OnBrowse() 
{
	// TODO: Add your control notification handler code here
	m_Video = NULL;
	if(m_Video == NULL)
	{
		CFileDialog avi(TRUE,NULL,NULL,OFN_HIDEREADONLY,"MP3 Files (*.mp3)|*.mp3|AVI Files(*.avi)|*.avi|");
		if(avi.DoModal() == IDOK)
		{
			m_Path = avi.GetPathName();
			UpdateData(FALSE);
			
		}
	}
	
}

MeiTengDLg.cpp
.\MeiTengDLg.cpp(235) : error C2664: 'CWnd::SetWindowTextW' : cannot convert parameter 1 from 'const char [6]' to 'LPCTSTR'
        Types pointed to are unrelated; conversion requires reinterpret_cast, C-style cast or function-style cast
.\MeiTengDLg.cpp(241) : error C2664: 'CWnd::SetWindowTextW' : cannot convert parameter 1 from 'const char [8]' to 'LPCTSTR'
        Types pointed to are unrelated; conversion requires reinterpret_cast, C-style cast or function-style cast
.\MeiTengDLg.cpp(277) : error C2664: 'CFileDialog::CFileDialog(BOOL,LPCTSTR,LPCTSTR,DWORD,LPCTSTR,CWnd *,DWORD,BOOL)' : cannot convert parameter 5 from 'const char [48]' to 'LPCTSTR'
        Types pointed to are unrelated; conversion requires reinterpret_cast, C-style cast or function-style cast
Build log was saved at "file://c:\Documents and Settings\ZhiYuan Li\Desktop\MeiTeng\MeiTeng\Release\BuildLog.htm"
MeiTeng - 3 error(s), 0 warning(s)
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========