You can configure context actions in the ReSharper Options dialog box, specifically, in any of the three tabs corresponding to the languages where they're used:
- C#: ReSharper Options | Code Editing | C# | Context Actions (see list of context actions for C#).
- VB.NET: ReSharper Options | Code Editing | Visual Basic .NET | Context Actions (see list of context actions for VB.NET).
- XML: ReSharper Options | Code Editing | XML | Context Actions (see list of context actions for XML).
- ASP.NET: ReSharper Options | Code Editing | ASP.NET | Context Actions (see list of context actions for ASP.NET).

