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MathGroup Archive 2007

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Re: FileNameSetter button return state

  • To: mathgroup at smc.vnet.net
  • Subject: [mg84325] Re: FileNameSetter button return state
  • From: dh <dh at metrohm.ch>
  • Date: Wed, 19 Dec 2007 04:13:55 -0500 (EST)
  • References: <fk55rt$141$1@smc.vnet.net>


Hi Steve,

here is a dirty trick:

Append a space to your file name. If on return the space is still there, 

"Cancel" was chosen. Otherwise the space is gone.

hope this helps, Daniel



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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