5 Easy Facts About properties Described

Subject characteristics may be attached into the compiler created backing industry in vehicle-implemented properties. By way of example, think about a revision to the Person course that provides a novel integer Id assets. You generate the Id assets working with an vehicle-executed assets, but your style won't call for persisting the Id property.

The previous example calls for callers to utilize the constructor that features the FirstName parameter. Callers can't use item initializers to assign a worth for the home. To aid initializers, you can make the set accessor an init accessor, as revealed in the following code:

Basic properties that have to have no tailor made accessor code can be applied both as expression overall body definitions or as car-carried out properties.

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That assignment throws an ArgumentException. Due to the fact a residence set accessor needs to have a void return variety, you report mistakes in the set accessor by throwing an exception.

An init home accessor is used to assign a whole new worth only all through object building. These accessors can have different accessibility amounts. To find out more, see Restricting Accessor Accessibility.

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Properties behave like fields if they're accessed. Nevertheless, compared with fields, properties are carried out with accessors that outline the statements executed every time a residence is accessed or assigned.

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Specific initialization is most useful for go through-only properties, as you will see later on in this article.

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The previous case in point is often simplified by using a toss expression as Element of the house setter validation:

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The house definition demonstrated higher than is often a read through-compose home. Recognize the search term value inside the set accessor. The set accessor often has only one parameter named worth. The get accessor need to return a worth that's convertible to the sort of the property (string in this example).

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