Tool for help developer

Remove Visual Studio Guide Line

Tools -> Options -> Text Editor -> Uncheck "show structure guide lines"

Indent Guide Line

https://marketplace.visualstudio.com/items?itemName=SteveDowerMSFT.IndentGuides



Remove Unused Reference (ยังไม่ work)

https://marketplace.visualstudio.com/items?itemName=battas.ResolveUR-ResolveUnusedReferences