Robert, Alt+Backspace is a standard global shortcut key shortcut key for most Windows programs (Word, Excel, Visual Studio, Notepad, Wordpad. It is equivalent to Ctrl+Z
It has been around since at least windows 98: http://www.microsoft.com/enable/products/KeyboardSearch_98.aspx I wished alt+backspace performed the same action under Vista x64, or rang a bell like it does on your machine. Thanks for the feedback. Regards, Andrew Robert Baer wrote: > > It just produces the "bell" sound on my 32-bit windows XP machine runing R > 2.9.1 > > Is this really a "standard" combination? I know a lot of programs that > use > ctrl-Z, but I've never come across this shortcut key combination for undo. > > > ----- Original Message ----- > From: "tradenet" <nodeco...@yahoo.com> > To: <r-help@r-project.org> > Sent: Tuesday, July 21, 2009 5:39 PM > Subject: [R] Rcmdr GUI goes into loop via alt+backspace under Windows OS > > >> >> I'm using Rcmdr version 1.4-10 with R version 2.9.0 under Vista x64. >> >> A standard editing convention under Windows is that alt+backspace is a >> keyboard shortcut for "undo". I often find myself hitting the [alt] and >> [backspace] keys while editing scripts in Rcmdr. However, this causes the >> Rcmdr GUI to go into a crazy mode where the menu keeps flashing and the >> GUI >> is unresponsive. Sometimes after several minutes, the GUI menus stop >> sporadically flashing and the GUI becomes responsive again, but usually I >> have to kill R. >> >> Has anyone else seen this problem and might there be a fix for it? >> >> If it weren't for the fact that the particular key combination is a >> standard >> in Windows I would ignore the problem, but I often get trapped by it >> because >> the GUI handles this standard Windows key combination is such a bizzare >> way. >> >> I'd appreciate any suggestions you might have. >> >> Regards, >> >> Andrew >> -- >> View this message in context: >> http://www.nabble.com/Rcmdr-GUI-goes-into-loop-via-alt%2Bbackspace-under-Windows-OS-tp24597087p24597087.html >> Sent from the R help mailing list archive at Nabble.com. >> >> ______________________________________________ >> R-help@r-project.org mailing list >> https://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting guide >> http://www.R-project.org/posting-guide.html >> and provide commented, minimal, self-contained, reproducible code. >> > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > > -- View this message in context: http://www.nabble.com/Rcmdr-GUI-goes-into-loop-via-alt%2Bbackspace-under-Windows-OS-tp24597087p24609888.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
