How to solve a “duplicate items” error in the “Resources” parameter

Question

While working on my project, I got this error:

The item \"...\" was specified more than once in the \"Resources\" parameter. Duplicate items are not

Answer 1

A slightly simpler way ..

1. Select the form and then right-click and select "Exclude from Project".
2. Clean and Recompile project
3. Select the "Show all files" icon on Solution toolbar to show the excluded form files.
4. Select the form and then right-click and select "Include in Project" to add it back.
5. Recompile project
6. Save All to ensure that project file is saved.

No need to restart Solution or move the form.