>From the Wix documentation:
For the Component element the generated GUID is based on the install
directory and filename of the KeyPath for the component. This GUID will stay
consistent from build-to-build provided the directory and filename of the
KeyPath do not change.


2009/7/21 shibo <szheng...@googlemail.com>

>
> Rob,
>
> In your reply: "If you generate GUIDs every time you build, you won't be
> able to do any upgrades or patching".
>
> We are using WiX 2.0 (planning to upgrade to 3.0). No problem to create
> patches given ProductCode and UpgradeCode GUIDs are the same, but with
> different components' GUIDs. My understanding is that patches are created
> based on sequence numbers, which we can not control.
>
> In WiX 3.0, it looks to me that components GUIDs are used to identify the
> files instead of sequence number. So it is critical to have the same GUIDs
> for the same files.
>
> Could you please let me know if the above is correct?
>
> Thanks, Shibo
>
>
>
>
>
> --
> View this message in context:
> http://n2.nabble.com/Component-GUIDs-tp704489p3294108.html
> Sent from the wix-users mailing list archive at Nabble.com.
>
>
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-- 
Konstantin Vlasenko
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