SetFollowData
Specifies whether point picking is restricted to only actual points on a specified plot index, actual points on any plot in the layer, or at arbitrary coordinates anywhere in the layer. It must be called prior to calling GetGraphPoints::GetPoints().
BOOL SetFollowData(BOOL bFollow, int nPlot = -1)
Returns true if successful.
For an example of using this method, please see the Example Section in GetGraphPoints.
GetPoints, IsFollowData
origin.h