public Nullable<bool> IsWorkday {get; set;}
A return value of null indicates that no value has been explicitly set; in this case, the value is resolved by the associated control.
Setting this property to false causes the WorkingHours collection to become inapplicable, i.e., all time slots are considered to fall within non-working hours. as
Setting this property to true in the case where no working hours are explicitly defined causes the associated day of the week to acquire the working hours as defined at the control level.
Target Platforms: Android 4.4+, iOS 8+
Development Environments: Visual Studio 2015+, Visual Studio for Mac Preview, Xamarin for Visual Studio 4.2+