ConvertToColoredGray example for Visual C++ 5 and later
short RedFact = 300;
short GreenFact = 590;
short BlueFact = 110;
short RedGrayFact = 500;
short GreenGrayFact = 300;
short BlueGrayFact = 200;
ILEADRasterProcess *pRasterProc=NULL;
CoCreateInstance(CLSID_LEADRasterProcess, NULL, CLSCTX_ALL, IID_ILEADRasterProcess, (void**)&pRasterProc);
pRasterProc->ConvertToColoredGray (m_RasterView.GetRaster (), RedFact, GreenFact, BlueFact, RedGrayFact, GreenGrayFact, BlueGrayFact);
pRasterProc->Release();