Returns the value of the "Viewport" attribute.
A double[4] containing xmin, xmax, ymin and ymax.
double[4]
By default, GetViewport = {0.0, 1.0, 0.0, 1.0}.
GetViewport = {0.0, 1.0, 0.0, 1.0}
ChartNode Class | Imsl.Chart2D Namespace