""Gary Chang[MSFT]"" wrote:

> Please refer to the following MSDN example on how to use a registry search
> to determine the target directory for a file.
>
> Using a Registry Launch Condition to Specify a Target Directory
> http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vsintro7/ht
> ml/vxtskusingregistrysearchtospecifytargetdirectory.asp

> All the registry searches should be performed in the installation progress,
> but you may need to specify an item under the target registry key which you
> concerned, by the way the property name should be uppercase.

"docschnipp" wrote:

> There is also showing up another problem:
> I create a registry value during installation, but when I install the
> upgrade, it deinstalls the previous version and deletes the registry key
> despite I marked it "DeleteAtUninstall = false". Is this a bug or do I have
> to tweak with the "Transient" property (I understood it that "Transient" is
> only neccessary when there is a CONDITION given, right?)?

>i'd like to check several possible registry values for a possible
>TARGETDIR. How can I do this with Launch Conditions?

>It seems that only 1of the 2 Registry Searches are performed, and
>I can also not influence the order in which they are listed except by
>alphabetising them?

"docschnipp" <docschnipp@newsgroup.nospam> wrote in message
news:7EC770AB-C0BB-4D80-B296-F4F86B6787F8@microsoft.com...
> Hello,
>
> thanks for the answer, this at helped a bit, but there are still confusing
> things going on:
>
> ""Gary Chang[MSFT]"" wrote:
>
>> Please refer to the following MSDN example on how to use a registry
>> search
>> to determine the target directory for a file.
>>
>> Using a Registry Launch Condition to Specify a Target Directory
>> http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vsintro7/ht
>> ml/vxtskusingregistrysearchtospecifytargetdirectory.asp
>
> I've checked for that, but it is not exactly the thing I need. The logic
> should be:
>
> A) check for regkey A and if existent copy the value to TARGETDIR
> B) check for regkey B and if existent copy the value to TARGETDIR
>
> B is more important as A (A is a legacy key from another product, B is the
> last install path from THIS product)
>
> How can I determine the order in which these are executed, so B can
> override
> A?
>
>> All the registry searches should be performed in the installation
>> progress,
>> but you may need to specify an item under the target registry key which
>> you
>> concerned, by the way the property name should be uppercase.
>
> There is also some confusion, things like "[ProductName]" do not work
> uppercase, only in the way they're defined in the property table, right?
>
> There is also showing up another problem:
> I create a registry value during installation, but when I install the
> upgrade, it deinstalls the previous version and deletes the registry key
> despite I marked it "DeleteAtUninstall = false". Is this a bug or do I
> have
> to tweak with the "Transient" property (I understood it that "Transient"
> is
> only neccessary when there is a CONDITION given, right?)?
>
> thanks
>
> doc
>