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

[Philippe Grosjean]

 > res <- tkmessageBox(title = "test",message = "Continue?",
+        icon  ="question", type = "okcancel")
 > if (tclvalue(res) == "ok") 1 else 2

Happy new year!

Philippe Grosjean

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