Get properties of legend entry corresponding to data point in Chart at the specified index. In case of Chart types: bar-of-Pie, exploded Pie, exploded Pie 3D, Pie, Pie 3D, Pie-of-Pie, data point is taken from first series....point in chart at the specified index. In case of chart types:...bar-of-pie, exploded pie, exploded pie 3D, pie, pie 3D, pie-of-pie...