[R-gui] [R GUI] validate for entries
James Wettenhall
wettenhall at wehi.edu.au
Thu Apr 22 08:09:02 CEST 2004
Erin,
On Thu, 22 Apr 2004, Erin Hodgess wrote:
<SNIP>
> I'm stuck on the validate function. I'm using Iwidgets of entryfield.
<SNIP>
> Trial <- tclVar(0)
> fs2 <- function() {
> NumTrial <- as.numeric(unlist(trial))
<SNIP>
> }
<SNIP>
> trial <- tkwidget(tt,"iwidgets::entryfield",labeltext="Number of Trials",
> labelpos="nw",command=fs1,validate=fs2)
It looks like you're trying to get the value from the entry box
using unlist(trial) which doesn't seem right.
I think what you want to do is
tkconfigure(trial,textvariable=Trial)
NumTrial <- as.numeric(tclvalue(Trial))
Hope this helps,
James
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