ShowContourFilterDlg Example for C++ 5.0 and later

void CDialogs::OnShowContourFilterDlg() 

{
   int nRet = 0; 

   m_pRasterImageEfxDlg->MaxError= 5; 
   m_pRasterImageEfxDlg->DeltaDirection= 5; 
   m_pRasterImageEfxDlg->PutContourOption(CONTOUR_LINK_COLOR); 
   m_pRasterImageEfxDlg->Threshold = 5; 
   m_pRasterImageEfxDlg->ContourOptionFlags= CONTOURFILTER_SHOW_OPTION_ALL; 

   m_pRasterImageEfxDlg->Bitmap = m_LeadRasterView.GetRaster ().GetBitmap ();
   m_pRasterImageEfxDlg->UIFlags = CONTOURFILTER_SHOW_PREVIEW |
                                    CONTOURFILTER_SHOW_DELTADIRECTION |
                                    CONTOURFILTER_SHOW_MAXIMUMERROR |
                                    CONTOURFILTER_SHOW_OPTION |
                                    CONTOURFILTER_SHOW_THRESHOLD |
                                    CONTOURFILTER_SHOW_TOOL_ZOOMLEVEL; 

   nRet = m_pRasterImageEfxDlg->ShowContourFilterDlg((long)this->m_hWnd); 

   if (nRet == 0 && m_pRasterImageEfxDlg->DialogStatus == DLG_OK) 
   {
      nRet = m_pRasterProc->ContourFilter method (m_LeadRasterView.GetRaster (),
                                       m_pRasterImageEfxDlg->Threshold, 
                                       m_pRasterImageEfxDlg->DeltaDirection, 
                                       m_pRasterImageEfxDlg->MaxError, 
                                       m_pRasterImageEfxDlg->GetContourOption()
                                       ); 
   }
}