You can select objects before invoking the command.

You can select and process many polylines at once or the entire drawing.

The program itself will discard unsuitable objects from the selection - select everything with a frame.

It is possible not to process some of the selected curves if they are on unnecessary layers, you can only process curves with the continuous line type.

Call CPoly command.

The installer that ran when you downloaded this app/plug-in from the Autodesk App Store will start installing the app/plug-in. OR, simply double-click the downloaded installer to install the app/plugin. You may need to restart the Autodesk product to activate the app/plug-in. To uninstall this plug-in, exit the Autodesk product if you are currently running it, simply rerun the installer, and select the "Uninstall" button. OR, click Control Panel > Programs > Programs and Features (Windows 7/8.1/10/11) and uninstall as you would any other application from your system.