The 5-Second Trick For properties
The 5-Second Trick For properties
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Subject attributes might be attached towards the compiler produced backing area in auto-executed properties. For example, consider a revision to the individual course that provides a unique integer Id property. You write the Id house working with an vehicle-executed house, but your design won't call for persisting the Id house.
The example above enforces the rule that the very first identify have to not be blank or white Place. If a developer writes
Simple properties that call for no custom accessor code can be carried out either as expression overall body definitions or as automobile-executed properties.
One simple sample for utilizing a home consists of utilizing a private backing area for placing and retrieving the residence benefit. The get accessor returns the value with the non-public industry, as well as set accessor could execute some data validation in advance of assigning a worth into the personal industry.
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An init residence accessor is used to assign a fresh worth only throughout object building. These accessors can have distinct obtain stages. For more information, see Proscribing Accessor Accessibility.
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. This function enables facts to generally be accessed effortlessly and nonetheless allows advertise the safety and flexibility of methods.
You'll be able to lengthen this similar syntax to something necessary in the circumstance. You may Verify the interactions in between diverse properties, or validate in opposition to any external problems. Any legitimate C# statements are valid in a very property accessor.
Starting with C# eleven, you are able to include the needed member to pressure client code to initialize any residence or subject:
The following instance illustrates this pattern. In this example, the TimePeriod course represents an interval of time. Internally, The category stores the time interval in seconds in A personal discipline named _seconds. A read-create residence named Hrs allows The shopper to specify time interval in hours.
The preceding illustration can be simplified through the use of a toss expression as Component of the home setter validation:
Properties allow a class to reveal a public means of finding and environment values, when hiding implementation or verification code.
The house definition shown previously mentioned is a go through-generate residence. Detect the search phrase value from the established accessor. The set accessor generally has a single parameter named price. The get accessor need properties to return a value that may be convertible to the kind of the residence (string in this instance).