一些可能用得上的?ChartPanel:public ChartEntity getEntityForPoint(int viewX,int viewY)Returns the ch
一些可能用得上的
?
- ChartPanel:
public ChartEntity getEntityForPoint(int viewX, int viewY)Returns the chart entity at a given point.This method will return null if there is (a) no entity at the given point, or (b) no entity collection has been generated.Parameters:viewX - the x-coordinate.viewY - the y-coordinate.Returns:The chart entity (possibly null).?