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Extract local function refactoring

  • Article

Applies to: yesVisual Studio noVisual Studio for Mac noVisual Studio Code

This refactoring applies to:

  • C#

What: Lets you turn a fragment of code from an existing method into a local function.

When: You have a fragment of existing code in some method that needs to be called from a local function.

Why: You could copy/paste that code, but that would lead to duplication. A better solution is to refactor that fragment into its own local function.

How-to

  1. Highlight the code to be extracted.

  2. Press Ctrl+. to trigger the Quick Actions and Refactorings menu.

  3. Select Extract local function.

    Screenshot of the Visual Studio code window with a line highlighted. The Quick Actions and Refactorings menu is open and Extract local function is selected.

See also