ExtractMessage example for C++ 5.0 and later

ILEADRasterProcess* m_pRasterProc= NULL;
CoCreateInstance(CLSID_LEADRasterProcess, NULL, CLSCTX_ALL, IID_ILEADRasterProcess, (void**)&m_pRasterProc);
m_pRasterProc->ExtractMessage(m_LeadRasterView.GetRaster());
MessageBox(m_pRasterProc->Message);
m_pRasterProc->Release();