Thanks Rob. The curly braces did the trick.
Craig
> -----Original Message-----
> From: Rob Mensching [mailto:
[hidden email]]
> Sent: Friday, October 23, 2009 8:51 PM
> To: General discussion for Windows Installer XML toolset.
> Subject: Re: [WiX-users] Custom Action: MsiQueryProductState call failing
>
> I think the GUID needs curly braces around it to be recognized by the
> Windows Installer.
>
> On Fri, Oct 23, 2009 at 7:33 PM, Craig Miller
<
[hidden email]
> > wrote:
>
> > This might be off topic, and if so could someone point me to a good
> > resource
> > for discussing the Msi WIN32 API?
> >
> > I have a custom action that is being called, but is failing. Does
anyone
> > know why the following would return an rc value of
INSTALLSTATE_INVALIDARG?
> > I'm passing in a GUID, so I'm not sure what it's complaining about.
> >
> > LPCTSTR szProductID = "2EA19080-E744-4B5C-8EF7-488342F9847C"; //
GUID
> > modified to protect the innocent
> > UINT rc = MsiQueryProductState(szProductID);
> >
> > I know the custom action is getting called because I have an error
message
> > dialog popping up that is instantiated inside the custom action. I've
> > tried
> > calling the custom action from both the InstallExecuteSequence and from
the
> > InstallUISequence. E.g. these are the snippets I've tried (not at the
same
> > time):
> >
> > <InstallExecuteSequence>
> > <Custom Action='Ver200Validation'
> > After='FindRelatedProducts'/>
> > </InstallExecuteSequence>
> >
> > <InstallUISequence>
> > <Custom
> > Action="Ver200Validation"
> > After="AppSearch" />
> > </InstallUISequence>
> >
> > Thanks for the help,
> > Craig
> >
> >
> >
> >
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