https://forums.autodesk.com/t5/net-forum/add-to-the-cui-quot-lisp-files-quot-section-using-net/m-p/5029990#M44029 <P>The solution was to use csMain.SaveAs(menuFile + ".cuix"); instead of csMain.Save();</P><P>Looks like there's a bug in the API</P> Wed, 14 May 2014 05:32:19 GMT Anonymous 2014-05-14T05:32:19Z https://forums.autodesk.com/t5/net-forum/add-to-the-cui-quot-lisp-files-quot-section-using-net/m-p/5025232#M44027 <P>Is it possible to add lisp files to the CUI "LISP Files" section using .NET?</P><P>I can get the collection using:<BR />var csMain = new CustomizationSection(Application.GetSystemVariable("MENUNAME"));<BR />LspFileCollection lspFiles = csMain.MenuGroup.LspFiles;</P><P>And this to add my lisp to the collection:<BR />lspFiles.Add(lispFile);</P><P>Unfortunately the changes are not saved and no lisps are loaded?</P> Mon, 12 May 2014 04:38:41 GMT https://forums.autodesk.com/t5/net-forum/add-to-the-cui-quot-lisp-files-quot-section-using-net/m-p/5025232#M44027 Anonymous 2014-05-12T04:38:41Z https://forums.autodesk.com/t5/net-forum/add-to-the-cui-quot-lisp-files-quot-section-using-net/m-p/5025438#M44028 I should add that I'm actually referring to AutoCAD 2014 CUIX not CUI. Couldn't find a way of editing my original post. Apologises Mon, 12 May 2014 08:16:40 GMT https://forums.autodesk.com/t5/net-forum/add-to-the-cui-quot-lisp-files-quot-section-using-net/m-p/5025438#M44028 Anonymous 2014-05-12T08:16:40Z https://forums.autodesk.com/t5/net-forum/add-to-the-cui-quot-lisp-files-quot-section-using-net/m-p/5029990#M44029 <P>The solution was to use csMain.SaveAs(menuFile + ".cuix"); instead of csMain.Save();</P><P>Looks like there's a bug in the API</P> Wed, 14 May 2014 05:32:19 GMT https://forums.autodesk.com/t5/net-forum/add-to-the-cui-quot-lisp-files-quot-section-using-net/m-p/5029990#M44029 Anonymous 2014-05-14T05:32:19Z