On 09/12/2009 17:55, Wilson, Phil wrote:
> All the CommonFilesFolder values in merge modules are by convention appended 
> with a mangled guid, but as far as I can tell the mechanism that rationalizes 
> all the folder name properties from merge modules (such as 
> CommonFilesFolder.guid) at merge time is indiscriminate. If the folder name 
> from the merge module *starts* with a standard folder property then the merge 
> generates a CA to set it to the actual CommonFilesFolder. So when it gets 
> merged into the MSI file it generates that type 51 custom action to set 
> CommonFilesFolder<anything at all> to [CommonFilesFolder]. 
> 
> So yes, you're right, it is a really bad thing to use folder names in merge 
> modules that start exactly like an actual folder name.

Is there a case, then, for WiX giving a warning (or even an error)
message if a Directory/@Id is used which starts with a predefined folder
name?

-- 
Cheers,
John

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