ConvertToColoredGray example for C++ 5.0 and later

   short RedFact = 300; 
   short GreenFact = 590; 
   short BlueFact = 110; 
   short RedGrayFact = 500; 
   short GreenGrayFact = 300; 
   short BlueGrayFact = 200; 
   m_Lead1.ConvertToColoredGray(RedFact, GreenFact, BlueFact, RedGrayFact, GreenGrayFact, BlueGrayFact);