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Re: FileNameSetter button return state

  • To: mathgroup at
  • Subject: [mg84290] Re: FileNameSetter button return state
  • From: Jens-Peer Kuska <kuska at>
  • Date: Mon, 17 Dec 2007 19:19:38 -0500 (EST)
  • References: <fk55rt$141$>


and looking whats the value of your filename
If you save it, it should be a valid filename
otherwise the value is unchanged ...


Steve Luttrell wrote:
> I want to use FileNameSetter to create a button which behaves in the 
> expected way for implementing a Save As... functionality.
> So I did this
> FileNameSetter[Dynamic[filename], "Save",  Appearance -> "Save File..."]
> This is fine, except that I can't find any way to determine whether the "OK" 
> or "Cancel" button is used to exit the file dialog box. It is not sufficient 
> to determine if the value of filename changes, because if you leave filename 
> unchanged and use the "OK" button to exit the dialog then this appears to be 
> indistinguishable from using the "Cancel" button.
> I can't find anything in the documentation about how to do this. I tried to 
> use the {fstart,f,fend} functionality of Dynamic, but this caused 
> FileNameSetter to break.
> Stephen Luttrell
> West Malvern, UK 

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