Started to Port on CandleStick Charts
http://www.codeproject.com/Articles/33449/How-to-create-stock-charts-using-the-Silverlight-T
&
Selection:
http://leeontech.wordpress.com/2009/03/02/interacting-with-charts/
&
Crosshair
http://www.scottlogic.com/blog/2009/03/23/adding-a-location-crosshair-to-silverlight-charts-again.html
HSL Color Interpolator