The WPF Chart allows you to select multiple scatter data points using the canvas and mouse drag.
The following demo visualizes how to select multiple scatter data points using mouse drag, which shows the respective values in a list view.
If you are facing a path too long exception when building this example project, close Visual Studio and rename the repository to short and build the project.
For more details, refer to the KB on how to select multiple scatter data points using the mouse drag.