About properties
About properties
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Discipline characteristics is often hooked up into the compiler generated backing field in auto-applied properties. By way of example, look at a revision to the individual course that provides a unique integer Id assets. You write the Id home employing an vehicle-executed house, but your layout isn't going to demand persisting the Id assets.
The previous illustration requires callers to make use of the constructor that includes the FirstName parameter. Callers cannot use object initializers to assign a price to your residence. To aid initializers, you can also make the set accessor an init accessor, as revealed in the following code:
Up to this point, every one of the residence definitions you've found are go through/compose properties with community accessors. Which is not the only legitimate accessibility for properties. You are able to generate study-only properties, or give diverse accessibility into the set and get accessors.
A single basic sample for utilizing a assets will involve making use of a private backing industry for location and retrieving the assets worth. The get accessor returns the worth of your private area, and also the set accessor may perhaps execute some knowledge validation right before assigning a price for the non-public subject.
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If a home has both equally a get along with a set (or even a get and an init) accessor, each should be auto-executed. You outline an auto-executed property by utilizing the get and set key phrases without delivering any implementation.
Yet again, utilizing INotifyPropertyChanged is surely an example of a case where you can compose code within your accessors to guidance the situations you will need.
You are able to employ these properties as expression-bodied associates. Expression physique definitions encompass the => image followed by the expression to assign to or retrieve from the home.
. This characteristic enables information to get accessed conveniently and even now can help promote the security and suppleness of procedures.
Distinct initialization is most handy for examine-only properties, as you'll see later on in the following paragraphs.
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The example higher than employs the string interpolation characteristic to build the formatted string for the full identify.
The previous illustration could be simplified by making use of a toss expression as Element of the home setter validation:
A final state of affairs wherever you'll want to compose code inside of a home accessor is to assistance the INotifyPropertyChanged interface made use of to inform information binding shoppers that a worth has modified. When the worth of the house properties adjustments, the article raises the INotifyPropertyChanged.
Callers need to possibly utilize the constructor with SetsRequiredMembers or established the FirstName house making use of an object initializer, as proven in the next code: