search for: fruitchoic

Hello, I'm very much a newbie in R and more so in tcltk so apologies if this question is stupid. Basically I am trying to use the combobox example found here: http://bioinf.wehi.edu.au/~wettenhall/RTclTkExamples/DropDown.html . What I want to do is in that example get fruitChoice as a variable in R in general. When I run that code, however, and the ask for fruitChoice it says 'error not found'. I suspect it's because its embedded in a function, but I can't work out how to unravel it. I've tried something like this to no avail. require(tcltk) tclReq...

...="What's your favorite fruit?")) fruits <- c("Apple","Orange","Banana","Pear") comboBox <- tkwidget(tt,"ComboBox",editable=TRUE,values=fruits,textvariable=tclVar("Banana")) tkgrid(comboBox) OnOK <- function() { fruitChoice <- fruits[as.numeric(tclvalue(tcl(comboBox,"getvalue")))] tkdestroy(tt) msg <- paste("Good choice! ",fruitChoice,"s are delicious!",sep="") tkmessageBox(title="Fruit Choice",message=msg) } OK.but <-tkbutton(tt,text=" OK...