[R] HowTo get callback on destroy of grDevices::windows()

[Duncan Murdoch]

On 26/07/2010 3:09 PM, rrichte2 at fh-lausitz.de wrote:
>   I'm build with the usage of the tcltk/tcltk2 package a gui which is 
> started with rscript.exe. At this gui the user is able to open and close 
> plot windows.
>
> Now I'm looking for a way that a r function is called when a 
> grDevices::windows window is closed.
> Is there a way to attach a callback function or so, which would be 
> triggert if the user click at close of the grDevices::window?
>   

I don't know if that's possible, but you'll be more likely to get a 
definitive answer on the R-devel list.

Duncan Murdoch
> My workarround is to check continues the open windows with the tcl 
> command after, but it's no good workarround.
>
> thanks
> roland
>
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