Graph controls
The value of the Legend property specifies the placement of the graph's legend, or that there should be no legend.
To set the location of the legend:
Select the desired location from the Legend drop-down list on the General page of the control’s Properties view.
The Legend property takes a value of the grLegendType enumerated datatype. The following example sets the location of the legend to below the graph:
gr_1.Legend = AtBottom!