Hello,
I am fairly new to WiX. I have an installer which installs "standard"
components and has one optional feature, "feature X". If I run the installer
everything works as expected for a basic install with or without feature X
included. If I run the installer again and select "Change" in maintenance mode
and then remove feature X only then it properly removes feature X.
However, suppose I run the installer and choose not to install feature X. That
works properly. Then suppose I run the installer again and select "Change" and
choose to add feature X. Feature X does install, but not all the components go
where I expect them to (or even where they go when I just do a full install
with feature X included). The components in feature X are all supposed to get
installed under a third-party application which is detected using a
RegistrySearch. To get the files to install under the third-party application,
I have a structure such as:
<Directory Id="TARGET_DIR" Name="SourceDir">
... there are more levels in the directory structure for Program
Files\Manufacturer\Product, but I omitted them here...
<Directory Id="THIRD_PARTY_PATH" Name="third-party">
<Directory Id="dir32_examples" Name="examples">
<Directory Id="dir32_exbins" Name="exbins">
<Component Id="cmp32_bin3" Guid="{PUT-GUID-HERE}"
Win64="$(var.Win64)">
<File Id="fil32_bin3" Source="<path to source>" />
<Condition>Installed OR THIRD_PARTY_PATH</Condition>
</Component>
</Directory>
<Directory Id="dir32_examples_visualization" Name="Visualization">
<Component Id="cmp32_visual" Guid="{PUT-GUID2-HERE}"
Win64="$(var.Win64)">
<File Id="fil32_visual" Source="<path to source>" />
<Condition>Installed OR THIRD_PARTY_PATH</Condition>
</Component>
</Directory>
</Directory>
</Directory>
</Directory>
where THIRD_PARTY_PATH is set using a RegistrySearch. Both components belong to
the optional feature X. However, when using "Change" in maintenance mode to add
feature X, the cmp32_bin3 component gets installed under the THIRD_PARTY_PATH
(C:\Program Files\ThirdPartyProduct), while cmp32_visual gets installed under
the TARGETDIR path (C:\Program Files\MyProduct). Both components were not
installed before I did the Change update (i.e. after only installing the
product with feature X excluded).
I don't get it. If THIRD_PARTY_PATH were not being defined properly because of
Maintenance mode, then surely both components would end up under the TARGETDIR
path. If THIRD_PARTY_PATH does get defined properly then both components should
end up under the THIRD_PARTY_PATH, should they not? I am puzzled as to how the
two components can end up in two different places!
What rules does the Windows Installer use to determine where files go in
Maintenance mode? Could I have some left-over registry entries from prior
install attempts that need to be cleaned up? If so, where do I find them (I've
searched for component GUIDs in the registry and not found them)?
Any help would very much be appreciated.
Daniel Madill
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