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Use auto-implemented property (IDE0032)

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


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


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


Property Value Description
Option name dotnet_style_prefer_auto_properties
Option values true Prefer auto-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
        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
        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.

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.

dotnet_analyzer_diagnostic.category-Style.severity = none

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

See also