Add null checks for all parameters

This refactoring applies to:

• C#

What: Creates and adds if statements that check nullity of all the nullable, non-checked parameters.

When: You want to quickly add null checks for all applicable method parameters.

Why: Writing null checks for many parameters can be time consuming and repetitive. Using this refactoring is quick and makes the program more robust.

How-to

1. Place your cursor on any parameter within the method.

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

   

3. Select the option to Add null checks for all parameters.

   

See also

• Refactoring