By default, conditions are evaluated in the order in which they appear within the containing collection.
This property makes it possible to weight one condition over another, essentially overriding the condition's ordinal position within the collection.
A lower number means a higher priority; for example, a condition with a priority of 1 is evaluated before one with a priority of 2.
If a cell value meets more than one condition, the format defined by the first condition to be evaluated takes precedence.
Setting the priority on one condition may cause the value of other conditions in the collection to be changed to ensure that each condition has a unique value.
Target Platforms: Android 4.4+, iOS 8+
Development Environments: Visual Studio 2015+, Visual Studio for Mac Preview, Xamarin for Visual Studio 4.2+