public Nullable<MarkerStyle> MarkerStyle {get; set;}
This property provides a way to customize the marker style for an individual data point in the series.
A value of null implies that the marker style is not explicitly set on this data point, and should inherit the value from it's associated Series.
Use the Series.MarkerStyle property to customize the style of all markers in the series.
Target Platforms: Android 4.4+, iOS 8+
Development Environments: Visual Studio 2015+, Visual Studio for Mac Preview, Xamarin for Visual Studio 4.2+