ReSharper 2020.1 Help

Code Syntax Style: Optional Member Qualifiers

In C#, you can qualify instance members with this keyword, and qualify static members with type name or a base type name. These qualifiers help you disambiguate members hidden by local variables or method parameters. In all other cases, these modifiers are optional, and you can decide for yourself whether to use them or not. With ReSharper, you can configure your preferences for using optional modifiers and enforce these preferences.

ReSharper helps you adjust optional member qualifiers in the existing code and takes your preferences into account when it produces new code with code completion and code generation features, applies code templates and performs refactorings.

Enforce style preferences for optional member qualifiers

By default, ReSharper treats all optional member qualifiers as redundant and suggests removing them.

Suggestion to remove redundant qualifier

If you prefer to use optional qualifiers, you need to specify it explicitly as described below. For example, you may prefer to qualify static methods with the type where they are declared:

Preferences for member qualifiers

As soon as you change the preferences, ReSharper will treat the same code differently and suggest the corresponding corrections:

Suggestion to qualify with the base type name

Another option to enforce preferences for member qualifiers in a bulk mode is code cleanup. You can either run code cleanup with one of the default profiles Full Cleanup or Reformat & Apply Syntax Style, or create and run a custom profile solely targeted at your specific task as described below.

Apply preferences for member qualifiers with custom Code Cleanup profile

  1. Select ReSharper | Options from the main menu or press Alt+R O.

  2. Go to the Code Cleanup settings page: Code Editing | Code Cleanup.

  3. Create a new profile as described in the Create a new custom cleanup profile section. In the Selected profile settings section for the new profile, tick the Arrange qualifiers checkbox. Optionally, you can enable other code cleanup tasks in this profile.

  4. Click Save to apply the modifications and let ReSharper choose where to save them, or save the modifications to a specific settings layer using the Save To list. For more information, see Manage and Share ReSharper Settings.

  5. Select the scope where you want to enforce your preferences:

    • Set the caret anywhere in the file to enforce your preferences to the file.

    • Select one or more items in the Solution Explorer to enforce your preferences in the files under these nodes and their child items.

  6. Do one of the following:

    • Press Control+Alt+F or choose ReSharper | Edit | Cleanup Code from the main menu .

    • Right-click anywhere in the text editor or right-click the selection and choose Cleanup Code in the context menu.

  7. In the Code Cleanup dialog that opens, select the newly created profile.

  8. Click Run. ReSharper will enforce your preferences in the selected scope.

If you want to apply preferences for member qualifiers without opening the Code Cleanup dialog, you can bind the created profile to the silent cleanup and run it by pressing Control+Shift+Alt+F. You can also create a custom cleanup profile that would combine applying the preferences with other code style tasks.

Configure preferences of optional member qualifiers

Your member qualifiers style preferences are saved using the mechanism of layer-based settings. Among other things, this mechanism allows you to maintain different preferences for different solutions as well as to keep these preferences under a VCS and automatically share them with your team members.

  1. Go to the Code Editing | C# | Syntax Style page of ReSharper options (Alt+R O).

  2. Modify settings in the Instance member qualification and Static member qualification categories according to your coding practices/standards.

  3. The Notify with selectors in the right column allow you to set severity levels of code inspections detecting code that differs from your preferences.

  4. Click Save to apply the modifications and let ReSharper choose where to save them, or save the modifications to a specific settings layer using the Save To list. For more information, see Manage and Share ReSharper Settings.

This feature is supported in the following languages and technologies:

Language: C#Language: VB.NETLanguage: C++Language: HTMLLanguage: ASP.NETLanguage: RazorLanguage: JavaScriptLanguage: TypeScriptLanguage: CSSLanguage: XMLLanguage: XAMLLanguage: ResxLanguage: Build ScriptsLanguage: ProtobufLanguage: JSON
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Last modified: 14 July 2020