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

Prof Brian Ripley ripley at stats.ox.ac.uk
Fri Dec 28 12:52:18 CET 2007

Is it so hard to find out?

Your tcl documentation will tell you what tk_messageBox returns, and as it 
is tcl string, you need to call tclvalue() on the value of tkmessageBox()
to get an R character vector.

On Fri, 28 Dec 2007, Richard Müller wrote:

> Hello,
> 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?
> Thank you, Richard

Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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