The above code consists of a bug though. If code updates the value of possibly the FirstName or LastName residence, the Earlier evaluated fullName field is invalid. You modify the established accessors of your FirstName and LastName house so which the fullName industry is calculated yet again:
Each accessors may additionally carry out some conversion or computation on the information just before It really is stored or returned.
It is possible to increase any restrictive obtain modifier to possibly the set or get accessors. Any accessibility modifier you put on the person accessor have to be much more confined in comparison to the obtain modifier about the residence definition.
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Again, applying INotifyPropertyChanged is undoubtedly an example of a circumstance where you can write code properties with your accessors to assistance the scenarios you may need.
You may employ these properties as expression-bodied associates. Expression body definitions encompass the => image accompanied by the expression to assign to or retrieve from your property.
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Precise initialization is most handy for read through-only properties, as you'll see later on in this post.
Home accessors normally encompass single-line statements that just assign or return the result of an expression.
The next instance illustrates this pattern. In this instance, the TimePeriod course represents an interval of time. Internally, The category merchants enough time interval in seconds in A non-public area named _seconds. A study-produce home named Hrs will allow the customer to specify time interval in hours.
This remaining Variation evaluates the FullName house only when required. If the Beforehand calculated Edition is legitimate, It can be employed. If Yet another point out improve invalidates the Beforehand calculated Edition, Will probably be recalculated.
A ultimate state of affairs exactly where you should publish code in the house accessor should be to aid the INotifyPropertyChanged interface employed to inform info binding customers that a value has transformed. When the worth of a house adjustments, the item raises the INotifyPropertyChanged.
This technique works for almost any attribute you connect to the backing area over the car-applied property.