AddShadow example for C++ 5.0 and later
ILEADRasterProcess* m_pRasterProc= NULL;
CoCreateInstance(CLSID_LEADRasterProcess, NULL, CLSCTX_ALL, IID_ILEADRasterProcess, (void**)&m_pRasterProc);
m_pRasterProc->AddShadow(m_LeadRasterView.GetRaster(),SHADOW_SE, 0, ADOW_CLR_GRAY);
m_pRasterProc->Release();