[R-gui] "..." in R tcltk example List Box With A Scroll Bar

[Philippe Grosjean]

Indeed, this is puzzling. It must be related to the way the tcltk 
package call Tcl code. You are better to ask Peter Dalgaard directly if 
you receive no convincing answer here.
Best,

Philippe Grosjean

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morphwj at comcast.net wrote:
> In the R tcltk example "List Box With A Scroll Bar" in List Boxes at http://bioinf.wehi.edu.au/~wettenhall/RTclTkExamples/
> 
> removal of "..." in 
> 
> scr <- tkscrollbar(tt, repeatinterval=5,
>     command = function(...) tkyview(tl,...))
> 
> tl <- tklistbox(tt, height=4, selectmode="single",
>     yscrollcommand=function(...) tkset(scr,...), 
>     background="white")
> 
> results in message
> 
> "Error in function ()  : unused argument(s) ( ...)".
> 
> Why does the example work with "..." and not work when "..." are omitted,
> or what process is occuring that requires "..."?
> 
> Thanks
> 	[[alternative HTML version deleted]]
> 
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