ChannelMix Example for C++ 5.0 and later
ILEADRasterProcess* m_pRasterProc= NULL;
CoCreateInstance(CLSID_LEADRasterProcess, NULL, CLSCTX_ALL, IID_ILEADRasterProcess, (void**)&m_pRasterProc);
m_pRasterProc->ChannelMix(m_LeadRasterView.GetRaster (), 50, 0, 0, 0, 100, 100, 0, 0, 0, 0, 100, 0);
m_pRasterProc->Release();