struct THREADPARAMS

{

CWaitWorkDlg * m_workdlg;

CListBox * m_DataListbox;

std::map<CString, CxImage> * m_DataMap; 

};

...

void CPractice3MultiThreadDlg::OnBnClickedButton3()

{

// TODO: 여기에 컨트롤 알림 처리기 코드를 추가합니다.

CWaitWorkDlg dlg;

dlg.m_iCompletedNum = dlg.m_iSucceedNum = dlg.m_iAlreadySucceedNum = 0;

dlg.m_iTotalNum = m_ctrListbox.GetCount();

THREADPARAMS * params = new THREADPARAMS;

params->m_workdlg = &dlg;

params->m_DataListbox = &this->m_ctrListbox;

params->m_DataMap = &this->m_mapImages;

::AfxBeginThread( Thread_Translate, params, 0, 

262144U);

if (dlg.DoModal() == IDOK) {} else {}

this->MessageBox(L"저장 완료.", L"끝남 :)");

}

UINT Thread_Translate(LPVOID pParam)

{

std::map<CString, CxImage> * pMap = ((THREADPARAMS *)pParam)->m_DataMap;

CWaitWorkDlg * pDialog = ((THREADPARAMS *)pParam)->m_workdlg;

std::map<CString, CxImage>::iterator iter; 

for(iter = pMap->begin(); iter != pMap->end(); )

{

CxImage * image = &iter->second;

if ( !image->AlphaPaletteIsValid() )

{

int i;

int nWidth = image->GetWidth();

int nHeight = image->GetHeight();

RGBQUAD quad;

quad = image->GetPaletteColor(0);

quad.rgbReserved = 0;

image->SetPaletteColor(0, quad);

for (i=1; i<256; ++i)

{

quad = image->GetPaletteColor(i);

quad.rgbReserved = 255;

image->SetPaletteColor(i, quad);

}

image->AlphaPaletteEnable(true);

if ( !image->Save(iter->first, CXIMAGE_FORMAT_PNG) )

{

++iter;

++pDialog->m_iSucceedNum;

}

else

{

++iter;

}

++pDialog->m_iCompletedNum;

}

else

{

++iter;

++pDialog->m_iCompletedNum;

++pDialog->m_iAlreadySucceedNum;

}

}

// 다이얼로그를 종료시키고 Modal 상태를 해제한다.

pDialog->EndDialog(IDCANCEL);

// pDialog->PostMessageW(WM_DESTROY); // <- 이것도 안됨

delete (THREADPARAMS *)pParam;

return 0;

}