The above code contains a bug though. If code updates the worth of either the FirstName or LastName residence, the previously evaluated fullName field is invalid. You modify the established accessors of your FirstName and LastName house so which the fullName industry is calculated once more:

Each accessors may perform some conversion or computation on the info just before It is really stored or returned.

Builders that use this course don't need to know the details of the implementation. None of such internal adjustments have an effect on using the Person item. That's the crucial reason for applying Properties to expose data users of the object.

A residence definition contains declarations for the get and set accessor that retrieves and assigns the worth of that home:

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It might toss a NullReferenceException devoid of this sign in that circumstance. For more information, see activities. This instance also uses The brand new nameof operator to transform within the residence name symbol to its text illustration. Employing nameof can cut down errors where you've mistyped the identify from the residence.

Yet again, applying INotifyPropertyChanged can be an illustration of a circumstance where you can create code inside your accessors to assistance the situations you would like.

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You should study the complete put up & the responses 1st, create a Procedure Restore Place before you make any changes for your method & be cautious about any 3rd-get together gives though installing freeware.

This remaining Model evaluates the FullName house only when needed. In the event the Formerly calculated Variation is valid, It can be made use of. If A different condition improve invalidates the previously calculated Edition, it will be recalculated.

You might choose the initial worth for that FirstName assets to get the vacant string rather then null. You'll specify that as demonstrated down below:

The property definition demonstrated over is a go through-compose assets. See the search phrase worth inside the set accessor. The set accessor constantly has only one parameter named benefit. The get accessor must return a price that is certainly convertible to the type of the home (string in this instance).