public DataBarNegativeBarColorType BarBorderColorType {get; set;}
By default, databars for cells with negative values use the same color as those with positive values, and the BarBorderColor property is not used.
Use this property to apply the color specified by the BarBorderColor property to the borders of databars with negative cell values.
Target Platforms: Android 4.4+, iOS 8+
Development Environments: Visual Studio 2015+, Visual Studio for Mac Preview, Xamarin for Visual Studio 4.2+