Convert to String Interpolation

• Sep 27, 2021

Purpose

Converts a formatted string into string interpolation. Interpolated strings are much easier to read than formatted strings.

Availability

Available when the cursor is on a composed string expression (as shown in the code below) or on the call of one of the following methods, assuming the method argument contains formatted string.

• String.Format
• Debug.Print
• Console.Write
• Console.WriteLine
• StringBuilder.AppendFormat

Usage

1. Place the caret on a composed string expression.

   Note

   The blinking cursor shows the caret’s position at which the Refactoring is available.

   C#

   return │"Found record at the position " + i;
   

   VB.NET

   Return │"Found record at the position " & i
   

2. Press the Ctrl + . or Ctrl + ~ shortcut to invoke the Code Actions menu.
3. Select Convert to String Interpolation from the menu.

After execution, Refactoring replaces the composed string to the interpolated string.

C#

return $"Found record at the position {i}";

VB.NET

Return $"Found record at the position {i}"

Note

This feature is available as a part of Code Cleanup.