Re: [R] Return Value of TCl/Tk window in R

From: Alberto Monteiro <>
Date: Fri, 28 Dec 2007 09:56:01 -0200

Richard Müller wrote:
> I have the TCl/Tk command
> "tkmessageBox(titel="",message="x",icon="question",type="okcancel")"
> in my R script. Now I want to perform some operation in relation to
> the user's choice, something like "if (okpressed) xxx else yyy" What
> values does this command give and how are they used?
Why don't you test it yourself?

x <- tkmessageBox(title="",message="x",icon="question",type="okcancel") # press x or cancel
# <Tcl> ok or <Tcl> cancel

To get back from this Tcl-thing to an R-string, use

y <- tclvalue(x)

Alberto Monteiro mailing list PLEASE do read the posting guide and provide commented, minimal, self-contained, reproducible code. Received on Fri 28 Dec 2007 - 11:58:17 GMT

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