Legend Marker Shape Override

ScottPlot.Plot myPlot = new();

// this shape will be used for legend items without defined markers
myPlot.Legend.MarkerShapeOverride = MarkerShape.FilledCircle;

var sig1 = myPlot.Add.Signal(Generate.Sin(51));
sig1.LegendText = "Sin";

var sig2 = myPlot.Add.Signal(Generate.Cos(51));
sig2.LegendText = "Cos";

LegendItem item1 = new()
{
    MarkerColor = Colors.Red,
    MarkerShape = MarkerShape.Cross,
    LabelText = "Alpha"
};

LegendItem item2 = new()
{
    MarkerColor = Colors.Green,
    MarkerShape = MarkerShape.FilledSquare,
    LabelText = "Beta"
};

myPlot.Legend.ManualItems.Add(item1);
myPlot.Legend.ManualItems.Add(item2);

myPlot.ShowLegend();

myPlot.SavePng("demo.png", 400, 300);