Thanks ! Paul! this is very thorough and precise!
Thanks so much. Sometimes, I can feel the differences..but can' t summarize and tell. i guess it is because I don't understand too deep. Again,thanks so much Vincent On Mon, Jun 15, 2009 at 5:50 PM, Paul Schreiner <schreiner_p...@att.net>wrote: > Without getting into how Excel stores, saves and distributes the two, > here's how they are USED. > > "References" are libraries (usually .DLL's) that are distributed with > the the Excel application. > These may be "activated", or left unused. > Let's say, for example, that you wish to use VBA to access a Lotus Notes > Address Book. > You would then "activate" the "Lotus Domino Objects" Reference. > You would then have access to the methods and objects necessary for access > to Lotus Notes. > > I have a situation in which text files are opened in Excel, but some > columns are created > as "text", and I need to convert them to numeric. > I wrote a sub called txt2num that replaces "0" with 0, "1" with 1, "2" with > 2 and so on. > I don't want to have to write this every time I need it. > I want it available whenever I have a workbook open. > > There are several ways of accomplishing this. > I could create a "macros.xls" workbook and open it every time I open Excel. > > Or, I could place it in a specific folder, and configure Excel so that it > opens all files > in that folder whenever Excel is launched. > > Or... notice that when you open Excel, you automatically open a "hidden" > workbook > called Personal.xls (or Personal.xlsb in Excel 2007). > You could put your macro in THIS VBA Project and it would be available > whenever you launch Excel... > > But... what if you want to SHARE this (or these) macros? You can't share > your Personal.xls file... > so instead, you put the macro in a new file and save it as an .xla file. > Now THIS file will open as 'hidden' (like the Personal.xls file) and you > can distribute IT > to others. when THEY open it, a copy is moved to their add-ins folder and > will open "hidden" > whenever THEY launch Excel. > > So... > the short answer to your question is: > Add-Ins are in Excel format, but hidden > References are DLL's. > > I'm sure there are LOTS of other differences, but this works for me!!! > > hope this helps, > Paul > > ------------------------------ > *From:* zheng yu <vincent2...@gmail.com> > *To:* excel-macros@googlegroups.com > *Sent:* Monday, June 15, 2009 6:14:36 AM > *Subject:* $$Excel-Macros$$ Excel add-in and Reference in VBA > > Hi All, > > Can anybody tell the difference between add-in in sheet and reference in > VBA? > > cheers > > Vincet > > > > > > > --~--~---------~--~----~------------~-------~--~----~ ------------------------------------------------------------------------------------- Some important links for excel users: 1. Excel and VBA Tutorials(Video and Text), Free add-ins downloads at http://www.excelitems.com 2. Excel tutorials at http://www.excel-macros.blogspot.com 3. Learn VBA Macros at http://www.vbamacros.blogspot.com 4. Excel Tips and Tricks at http://exceldailytip.blogspot.com To post to this group, send email to excel-macros@googlegroups.com If you find any spam message in the group, please send an email to: Ayush Jain @ jainayus...@gmail.com or Ashish Jain @ 26may.1...@gmail.com ------------------------------------------------------------------------------------- -~----------~----~----~----~------~----~------~--~---
