Use auto-implemented property (IDE0032)

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26.10.2024.

Property	Value
Rule ID	IDE0032
Title	Use auto-implemented property
Category	Style
Subcategory	Language rules (expression-level preferences)
Applicable languages	C# and Visual Basic
Introduced version	Visual Studio 2017
Options	`dotnet_style_prefer_auto_properties`

Overview

This style rule concerns the use of automatically implemented properties versus properties with private backing fields.

Options

Options specify the behavior that you want the rule to enforce. For information about configuring options, see Option format.

dotnet_style_prefer_auto_properties

Property	Value	Description
Option name	dotnet_style_prefer_auto_properties
Option values	`true`	Prefer automatically implemented properties
	`false`	Prefer properties with private backing fields
Default option value	`true`

// dotnet_style_prefer_auto_properties = true
public int Age { get; }

// dotnet_style_prefer_auto_properties = false
private int age;

public int Age
{
    get
    {
        return age;
    }
}

' dotnet_style_prefer_auto_properties = true
Public ReadOnly Property Age As Integer

' dotnet_style_prefer_auto_properties = false
Private _age As Integer

Public ReadOnly Property Age As Integer
    Get
        return _age
    End Get
End Property

Suppress a warning

If you want to suppress only a single violation, add preprocessor directives to your source file to disable and then re-enable the rule.

#pragma warning disable IDE0032
// The code that's violating the rule is on this line.
#pragma warning restore IDE0032

To disable the rule for a file, folder, or project, set its severity to none in the configuration file.

ini

[*.{cs,vb}]
dotnet_diagnostic.IDE0032.severity = none

To disable all of the code-style rules, set the severity for the category Style to none in the configuration file.

ini

[*.{cs,vb}]
dotnet_analyzer_diagnostic.category-Style.severity = none

For more information, see How to suppress code analysis warnings.

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