The above mentioned code includes a bug nevertheless. If code updates the value of either the FirstName or LastName assets, the previously evaluated fullName subject is invalid. You modify the set accessors of your FirstName and LastName house so the fullName field is calculated once more:
The previous illustration needs callers to make use of the constructor that includes the FirstName parameter. Callers can't use object initializers to assign a price to the property. To support initializers, you can make the set accessor an init accessor, as shown in the next code:
Simple properties that involve no personalized accessor code is often implemented both as expression human body definitions or as automobile-carried out properties.
Each the get and the established accessor might be carried out as expression-bodied users. In cases like this, the get and established keyword phrases need to be current. The next illustration illustrates the usage of expression physique definitions for equally accessors. The return keyword is just not used Using the get accessor.
That is the basics in the syntax. You'll find a variety of versions that help different distinct layout idioms. Let us explore, and learn the syntax selections for Every single.
It will toss a NullReferenceException with no this sign in that scenario. For more info, see activities. This example also takes advantage of the new nameof operator to convert through the assets identify symbol to its textual content representation. Utilizing nameof can lessen mistakes in which you've mistyped the identify of the assets.
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Properties are firstclass citizens in C#. The language defines syntax that allows developers to write down code that accurately expresses their style and design intent.
syntax. The compiler generates the storage location for the field that backs up the assets. The compiler also implements the body on the get and set accessors.
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This last Edition evaluates the FullName residence only when desired. If the properties Formerly calculated version is valid, It really is applied. If A further state transform invalidates the Beforehand calculated Edition, It'll be recalculated.
The previous case in point makes it possible for a caller to make a Man or woman using the default constructor, regardless if that code would not established the FirstName property. Starting in C# eleven, you may need
The assets definition shown over is a examine-produce assets. Recognize the key word benefit during the set accessor. The set accessor generally has only one parameter named benefit. The get accessor will have to return a worth that's convertible to the type of the house (string in this example).