[R] tkconfigure throws an error

[Greg Snow]

The command argument in the tkconfigure call should be a function, you
have the results of sourcing the file, probably not the correct thing.

Try something like:

tkconfigure(b1,command=function(...){source("./src/f.imm2.R")})


Hope this helps,


-- 
Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
greg.snow at imail.org
(801) 408-8111
 
 

> -----Original Message-----
> From: r-help-bounces at r-project.org 
> [mailto:r-help-bounces at r-project.org] On Behalf Of stephen bond
> Sent: Monday, March 31, 2008 2:45 PM
> To: r-help at r-project.org
> Subject: [R] tkconfigure throws an error
> 
> Thanks everybody for looking at this. I am trying to assign a 
> script to a button please help:
> 
> ############
> library(tcltk)
> tt<- tktoplevel()
> tktitle(tt)<-"the title"
> heading<-tklabel(tt,text="Enter date as YYYY-MM-DD") 
> l1<-tklabel(tt,text="Reporting date")
> b1=tkbutton(tt,text="Run")
> d.val<-tkentry(tt,width=12)
> tkgrid(heading,columnspan=2)
> tkgrid(l1,d.val)
> tkgrid(b1,columnspan=2)
> tkconfigure(b1,command=source("./src/f.imm2.R"))
> #########
> and get inconsistent errors:
> 1. Error in structure(.External("dotTclObjv", objv, PACKAGE = 
> "tcltk"), class = "tclObj") : 
> 	[tcl] invalid command name ".6.4".  ## when the 
> tkconfigure is entered from R buffer 2. 
> tkconfigure(b1,command=source("./src/f.imm2.R"))
> Error in switch(storage.mode(x), character = .External 
> ("RTcl_ObjFromCharVector",  : 
> 	cannot handle object of mode 'list' # when I run the 
> full source buffer (stuff pasted above)
> 
> the script just needs the date from the tcl window and 
> everything else is conventional R code.
> 
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