Field characteristics could be hooked up for the compiler created backing field in car-implemented properties. As an example, look at a revision to the individual class that adds a novel integer Id assets. You generate the Id home working with an car-carried out home, but your design and style will not call for persisting the Id property.
A get property accessor is used to return the assets value, and also a set residence accessor is accustomed to assign a different worth.
The preceding code helps make two additions to the Person class. 1st, the FirstName house declaration consists of the expected modifier. Meaning any code that results in a fresh Person must set this home.
A house definition is made up of declarations for your get and established accessor that retrieves and assigns the value of that house:
That is the basic principles on the syntax. You'll find a number of variations that aid various different style and design idioms. Let us investigate, and learn the syntax choices for Each and every.
If a house has both of those a get in addition to a established (or perhaps a get and an init) accessor, the two should be vehicle-implemented. You determine an automobile-applied home by using the get and set keywords and phrases without having supplying any implementation.
Once more, implementing INotifyPropertyChanged is really an example of a case where you can compose code in the accessors to help the scenarios you require.
You could put into action these properties as expression-bodied associates. Expression human body definitions consist of the => symbol accompanied by the expression to assign to or retrieve with the house.
. This characteristic allows data to get accessed effortlessly and still can help market the protection and adaptability of techniques.
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House accessors usually include solitary-line statements that just assign or return properties the result of an expression.
The NonSerializedAttribute can only be connected to fields, not properties. You can attach the NonSerializedAttribute for the backing area with the Id residence through the use of the sphere: specifier on the attribute, as proven in the subsequent case in point:
This final Edition evaluates the FullName home only when wanted. Should the previously calculated Model is valid, It is made use of. If another point out change invalidates the Beforehand calculated Variation, it will be recalculated.
The previous illustration makes it possible for a caller to make a Person utilizing the default constructor, even if that code does not established the FirstName home. Commencing in C# eleven, it is possible to call for
The home definition demonstrated earlier mentioned is actually a read-create house. Detect the key word value inside the established accessor. The established accessor usually has an individual parameter named price. The get accessor ought to return a worth that may be convertible to the kind of the residence (string in this instance).