public FormatConditionIcon Icon {get; set;}
By default, the icon displayed for this threshold is defined by the parent condition, via the value of the IconSet property.
This property provides a way to override the default icon as defined by the parent condition.
This property defaults to the appropriate value given the IconSet as defined by the parent condition and this instance's Threshold.
Target Platforms: Android 4.4+, iOS 8+
Development Environments: Visual Studio 2015+, Visual Studio for Mac Preview, Xamarin for Visual Studio 4.2+