Use object initializers (IDE0017)

#Overview

This style rule concerns the use of object initializers for object initialization.

#Options

The option value for this rule specifies whether or not initializers are desired.

For more information about configuring options, see Option format.

#dotnet_style_object_initializer

// dotnet_style_object_initializer = true
var c = new Customer() { Age = 21 };

// dotnet_style_object_initializer = false
var c = new Customer();
c.Age = 21;

' dotnet_style_object_initializer = true
Dim c = New Customer() With {.Age = 21}

' dotnet_style_object_initializer = false
Dim c = New Customer()
c.Age = 21

#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 IDE0017
// The code that's violating the rule is on this line.
#pragma warning restore IDE0017

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

[*.{cs,vb}]
dotnet_diagnostic.IDE0017.severity = none

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

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

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

#See also

• Object and Collection Initializers (C# Programming Guide)
• IDE0028 - Use collection initializers
• Code style language rules
• Code style rules reference