On Sep 22, 2011, at 6:32 AM, Yingshen Yu wrote:

> Hi,
> 
> I'm working on adding File Version support to my application. It's not Cocoa
> document based app, so I have to add version support on my own. My question
> is when should I add a new version?  I know I should add a file version when
> user save the file, but my observation to TextEdit.app looks there are
> various timing should add a file version, like auto save, etc.
> 
> Is there any documents recommends the expected timing to add File Version?
> 
> Thanks,

Hello Jonny,

This might be something you might want to give to your users as an option that 
they can control.

For example, a "enable auto-save" checkbox in your Preferences with a "every 
_____ minutes" option. 

What kind of application are you writing and when, in your opinion, would users 
intuitively need a backup (or version) done?  

hth,

m


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