The above mentioned code includes a bug nevertheless. If code updates the value of both the FirstName or LastName house, the Earlier evaluated fullName subject is invalid. You modify the established accessors of your FirstName and LastName house so which the fullName discipline is calculated once more:
Equally accessors may also perform some conversion or computation on the info right before It can be saved or returned.
The preceding code tends to make two additions to the individual class. Initially, the FirstName house declaration includes the demanded modifier. Meaning any code that produces a whole new Human being have to set this home.
Each the get plus the set accessor might be executed as expression-bodied customers. In cases like this, the get and established keywords have to be current. The following example illustrates the usage of expression body definitions for each accessors. The return key phrase isn't used With all the get accessor.
That assignment throws an ArgumentException. Simply because a house set accessor will need to have a void return style, you report problems while in the established accessor by throwing an exception.
If a house has each a get in addition to a established (or possibly a get and an init) accessor, both has to be car-carried out. You define an vehicle-applied property by utilizing the get and set key phrases without having delivering any implementation.
It is possible to produce code from the established accessor in order that the values represented by a house are constantly valid. As an example, suppose a person rule for the Person course is that the identify can't be blank or white Room. You'd generate that as follows:
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syntax. The compiler generates the storage location for the sector that backs up the home. The compiler also implements the human body with the get and set accessors.
You can even limit modifications to some assets to make sure that it may possibly only be established inside of a constructor. properties You may modify the Person course In order follows:
Beginning with C# eleven, you'll be able to insert the essential member to pressure customer code to initialize any house or field:
The NonSerializedAttribute can only be connected to fields, not properties. You are able to connect the NonSerializedAttribute to the backing area for the Id house through the use of the field: specifier to the attribute, as revealed in the subsequent instance:
The previous example may be simplified by using a throw expression as A part of the assets setter validation:
A final situation exactly where you must write code in a home accessor is to support the INotifyPropertyChanged interface made use of to notify data binding purchasers that a price has modified. When the worth of the residence adjustments, the thing raises the INotifyPropertyChanged.
This technique is effective for just about any attribute you attach towards the backing industry around the vehicle-implemented property.