'item' designers can only be used in DLL projects

This error has the following causes and solutions:

  • The indicated designer can be used only in ActiveX DLL projects. Try the designer in an ActiveX DLL project.

For additional information, select the item in question and press F1 (in Windows) or HELP (on the Macintosh).

Support and feedback

Have questions or feedback about Office VBA or this documentation? Please see Office VBA support and feedback for guidance about the ways you can receive support and provide feedback.