virtual void CBCGPChartBaseEffect::OnCalcScreenPoints ( CBCGPGraphicsManager *  pGM )

pure virtual

Called by the framework to calculate screen coordinates of effect's elements.

This method is called by the framework when it needs to calculate screen coordinates of effect's element. Note, OnCalcScreenPoints is called only when the chart is invalidated (is "dirty").

You must override it in a derived class and cache screen points of the effect.

Parameters

pGM	A pointer to a graphics manager.

Implemented in CBCGPChartInterLineColoringEffect.