[R] tcltk: testing for widgets?

[Peter Dalgaard BSA]

Frank Gerrit Zoellner <fzoellne at TechFak.Uni-Bielefeld.DE> writes:

> Hallo!
> 
> I want to test if a widget exists. Using Perl/Tk i can call the function tkexists(). How can I realise this function with R/tclTk ?

Not being familiar with Perl/Tk, I'm not really sure, but I'd
assume that tkexists() is the Tcl/Tk "winfo exists wname" which in
R/tcltk maps to tkwinfo("exists", window).

-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)             FAX: (+45) 35327907
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