The Make Field Readonly quick fix is available once Telerik® JustCode™ has detected that
a field can be made readonly (when it is not initialized, initialized only inline or in the constructor).
Telerik® JustCode™ underlines the field and suggests you to make it readonly.
Supported: C#, VB.NET
To make a field readonly
Position the caret over the underlined field.
Press Alt+Enter. From the pop-up menu, select Make field 'field name' readonly
The result is: