Encapsulate Field refactoring
Last modified: 21 July 2022ReSharper | Refactor | Encapsulate Field…
Ctrl+R E (ReSharper_EncapsulateField)
This refactoring allows you to create an auto-property or a property with the backing field from an existing field. Usages of the field are updated automatically.
In the example below, a field is replaced with an auto-property:
Before refactoring
private string myString;public void DoSomething(string input){ myString = input;}After refactoring
public string MyString { get; private set; }public void DoSomething(string input){ MyString = input;}tip
You can also generate properties for several fields in the class using the Generate Properties command.
Create a new property to expose or replace the field
Place the caret at the declaration or a usage of a field in the editor, or select it in the File Structure window.
Do one of the following:
Press Ctrl+R E.
Press Ctrl+Shift+R and then choose Encapsulate Field
Right-click and choose Refactor | Encapsulate Field in the context menu.
Choose ReSharper | Refactor | Encapsulate Field… in the main menu.
The Encapsulate Field dialog will open.
ReSharper suggests a name for the property based on the field name and the naming style for properties. Modify the name if necessary.
Specify visibility for the created property.
If you choose to create an auto-property, the field will be removed and its usages replaced with the property everywhere.
Otherwise, the field will be used as the backing field for the new property and you will be able to choose how to update the property and its usages:
Select Read usages/Write usages to replace the corresponding usages of the filed with the property.
Select Name usages to replace occurrences of the field name inside
nameof()expressions and XML documentation comments with the name of the property.Select Do not update local usages to leave references to the field in the current type.
If the filed was not private, select Make field private to disallow direct access to the field outside the current type.
To apply the refactoring, click Next.
If no conflicts are found, ReSharper performs the refactoring immediately. Otherwise, it prompts you to resolve conflicts.
tip
You can also invoke this refactoring from the acton list - just press Alt+Enter when your caret is on a field and choose Encapsulate Field.
This feature is supported in the following languages and technologies:
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The instructions and examples given here address the use of the feature in C#. For details specific to other languages, see corresponding topics in the ReSharper by language section.