That makes a little more sense now. Try placing a condition in your feature
that includes a condition message. The condition message should reference
the condition using similar to what Pavan gave an example of.
example for .net 4 detection just to give you an idea of what I am talking
about:
<!--.NET 4.0 Installation detection-->
<Property Id="NETFRAMEWORK40CLIENT">
<RegistrySearch Id="NetFramework40Client" Root="HKLM"
Key="SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Client" Name="Install"
Type="raw" />
</Property>
<!--.NET 4.0 Condition message-->
<Condition Message="This application requires .NET Framework 4.0.
Please install the .NET Framework then run this installer again">
<![CDATA[Installed OR NETFRAMEWORK40CLIENT]]>
</Condition>
Does it make sense how the message is related to the condition? This will
pop up a message and stop the installation. This installer will never
complete until the condition is met.
On Thu, Dec 4, 2014 at 8:56 PM, Marek Mielcarek <mmielca...@actuate.com>
wrote:
> I appreciate your help. The problem is that the installer is mainly used
> as command-line without any GUI. The package gets pushed to several
> machines and executed with several options (features) enabled or disabled,
> depending on deployment automation schema. There might be 100+ servers
> involved. My installer might be directed to deploy a feature that requires
> IIS but server might not have it. In reality, the situation is even more
> complex as there are other features that need to check for other
> prerequisites (i.e. MSMQ, specific OLDB drivers etc).
>
> I started leaning toward custom actions that can break installation
> process if they cannot detect something they should. I wanted to avoid
> that hoping there is something cleaner.
>
> Thanks a lot.
>
>
> Original Message
> From: Pavan Konduru
> Sent: Thursday, December 4, 2014 21:46
> To: General discussion about the WiX toolset.
> Reply To: General discussion about the WiX toolset.
> Subject: Re: [WiX-users] "Condition" problem
>
>
> You should set up the next button in the feature selection screen to
> display a dialog that IIS is required for that feature(if selected).
> MyCustomizeDLg is the dialog that has the list of the your features user
> can select.
> IISFOUND is a property you set to search for IIS present or not(I think
> WIX has an in-built property to do this IISMAJORVERSION).
> FeatureneedsIIS is the feature that requires IIS.
>
> Something like this:
>
> <Publish Dialog="MyCustomizeDlg" Control="Next" Event="NewDialog"
> Value="IISNotFoundDlg"><![CDATA[NOT IISFOUND AND (&FeatureneedsIIS = 3 AND
> ! FeatureneedsIIS <> 3)]]></Publish>
>
> In the dialog that shows the message to the user redirect the OK button to
> exit dialog.
>
> <Control Id="OK" Type="PushButton" X="102" Y="90" Width="56" Height="17"
> Default="yes" Cancel="yes" Text="OK">
> <Publish Event="EndDialog" Value="Return">1</Publish>
> </Control>
>
> -----Original Message-----
> From: Marek Mielcarek [mailto:mmielca...@actuate.com]
> Sent: Thursday, December 04, 2014 3:06 PM
> To: wix-users@lists.sourceforge.net; General discussion about the WiX
> toolset.
> Subject: Re: [WiX-users] "Condition" problem
>
> Example: one of the features requires IIS. Check for IIS should occur
> only if the feature is selected. If te check succeeds, the feature shall be
> installed. If it fails, the installation shall fail. If feature is not
> selected the IIS does not matter.
>
> Original Message
> From: Pavan Konduru
> Sent: Thursday, December 4, 2014 18:00
> To: General discussion about the WiX toolset.
> Reply To: General discussion about the WiX toolset.
> Subject: Re: [WiX-users] "Condition" problem
>
>
> Can give an example so it will be easier to understand?
> What are the conditions and what do the features depend on?
>
> -----Original Message-----
> From: Marek Mielcarek [mailto:mmielca...@actuate.com]
> Sent: Thursday, December 04, 2014 2:28 PM
> To: wix-users@lists.sourceforge.net; General discussion about the WiX
> toolset.
> Subject: Re: [WiX-users] "Condition" problem
>
> User can select any feature. Each feature has a different condition.
> Installer verifies the condition for feature if it was selected for
> installation. If the condition is not met, installer breaks and informs
> what was the reason.
>
> Original Message
> From: Pavan Konduru
> Sent: Thursday, December 4, 2014 17:24
> To: General discussion about the WiX toolset.
> Reply To: General discussion about the WiX toolset.
> Subject: Re: [WiX-users] "Condition" problem
>
>
> "This Condition makes sense only if a particular Feature is being
> installed."
>
> So, how do you plan to achieve this even before a feature is selected for
> install?
>
> -----Original Message-----
> From: Marek Mielcarek [mailto:mmielca...@actuate.com]
> Sent: Thursday, December 04, 2014 12:13 PM
> To: General discussion about the WiX toolset.
> Subject: [WiX-users] "Condition" problem
>
> I need to define a Condition which generates message and stops
> installation (if condition fails). This Condition makes sense only if a
> particular Feature is being installed. It looks like I cannot use standard
> LaunchCondition because checking for a Feature (using &Feature=3 or
> &Feature=4) can be used reliably only after FinalizeCost, which happens
> after LaunchConditions.
>
> Is there a way I can define such condition on a Feature level ? If not,
> what is the best way to achieve the same outcome ?
>
> Thanks a lot
>
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--
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feel." -- Anonymous
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