Where to place (sub)stacks?

Jerry Daniels jerry.daniels at me.com
Wed Sep 16 11:37:23 EDT 2009


Great answer from Klaus. Bravo!

That's the way to do it, IMHO.

Best,

Jerry Daniels
Watch tRev - The Movie
http://reveditor.com/trev-the-movie

On Sep 16, 2009, at 7:37 AM, Klaus Major wrote:

> Hi Beat,
>
>> I am completing my first commercial standalone and I am unsure of  
>> where to place the (sub)stacks on the user's machine.
>>
>> The stack consists of a splash (main stack) with about 30  
>> substacks. Some of the substacks display data which is changed by  
>> the user and needs to be saved.
>> Now, where do I put my stacks on the users machine? Until now I put  
>> the whole package (main stack + all substacks) into the Application  
>> Folder.
>> But I heard that this might cause problems (i.e. in Vista) because  
>> some setups do not allow to write to files in the Application Folder.
>>
>> Is it a good way to place those substacks that need writing to,  
>> into the Application Support Folder? If so, how do I do that with  
>> the installer? I got help from Lars Bremer with the Inno Setup  
>> Installer, which works great, but places all (sub)stacks into the  
>> Application Folder. How will I solve this?
>
> If I would ever need to let the users modify and save STACK files, I  
> would go this way:
>
> 1. Create all the stacks that will be modified and saved by the end  
> user as MAIN stacks!
> 2. Import each of these stacks into a custom porperty of your SPLASH/ 
> main stack
> ...
> set the cStack01 of stack "splash or whatever" to url("binfile:" &  
> path_to_your_stack)
> ...
> 3. When the app starts, I would check if these stacks have already  
> been "outputted" into the users "preferences folder:
> Mas OS X: specialfolderpath("preferences")
> ## Current user only
>
> Windows: specialfolderpath(26)
> ## Current user only
>
> Might be good style to create a subfolder for your app there!
>
> If the stacks are not yet there, I would output all the stacks from  
> your CPs:
> ...
> put specialfolderpath("preferences") into tFolder
> put the cStack01 of stack "splash or whatever" into url("binfile:" &  
> tFolder & "/" & "name of original stack here...")
> ## NO suffix necessary!
> ...
> 4. Now the user (your app) can open any of these stack, modify them  
> and save them again without permission problems.
>
> 5. Pro: If a user deletes one of your stacks (c'mon, we all know how  
> they are :-D) you can quickly replace it with a fresh copy!
>
> Know what I mean?
> Drop a line if not :-)
>
>> ,,,
>> Beat Cornaz
>
> Best
>
> Klaus
>
> --
> Klaus Major
> http://www.major-k.de
> klaus at major.on-rev.com
>
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