ScottPlot.NET
How to create an interactive plot in a C# WPF application

Step 1: Install the ScottPlot.WPF NuGet package

Step 2: Add this to the root element of your XAML file:

xmlns:ScottPlot="clr-namespace:ScottPlot;assembly=ScottPlot.WPF"

⚠️ WARNING: ScottPlot 5 has not yet been released. ScottPlot 5 preview packages are available on NuGet for experimentation. ScottPlot 5 is being actively developed, but it is not yet feature complete, fully documented, supported, or recommended for production use at this time. See the ScottPlot versions page for more information.
xmlns:ScottPlot="clr-namespace:ScottPlot.WPF;assembly=ScottPlot.WPF"

Step 3: Add a WpfPlot to your layout and give it a unique name

<ScottPlot:WpfPlot x:Name="WpfPlot1" />

Step 4: Plot some data in your start-up sequence

double[] dataX = new double[] { 1, 2, 3, 4, 5 };
double[] dataY = new double[] { 1, 4, 9, 16, 25 };

WpfPlot1.Plot.AddScatter(dataX, dataY);
WpfPlot1.Refresh();

⚠️ WARNING: ScottPlot 5 has not yet been released. ScottPlot 5 preview packages are available on NuGet for experimentation. ScottPlot 5 is being actively developed, but it is not yet feature complete, fully documented, supported, or recommended for production use at this time. See the ScottPlot versions page for more information.
double[] dataX = { 1, 2, 3, 4, 5 };
double[] dataY = { 1, 4, 9, 16, 25 };

WpfPlot1.Plot.Add.Scatter(dataX, dataY);
WpfPlot1.Refresh();