[C#]	public void setDataSymbol3(DrawArea obj);
[VB]	Public Sub setDataSymbol3(obj As DrawArea)

Uses a DrawArea object as the graphics symbol to plot the data points.

In the current version of ChartDirector, data symbols are supported only in LineLayer, SplineLayer, StepLineLayer and ScatterLayer. To use data symbols in other layer types, add a ScatterLayer on top of that layer.

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