[wix-users] Show a message when no features are selected

John Cooper JoCooper at jackhenry.com
Thu Nov 19 07:58:25 PST 2015


Use of Feature state before CostFinalize is going to be unreliable at best.  When processing Feature states for UI, there is a very narrow window where those states have any meaning.

Your testing will need to be exhaustive to catch the edge cases.  Upgrades, repairs, and patching can be a bear with only a subset of Features installed.

I have one Feature-driven MSI.  There is a reason why I am ripping it apart into 6-15 separate MSIs and wrapping with a custom bootstrapper.

--
John Merryweather Cooper
Senior Software Engineer | Integration Development Group | Enterprise Notification Service
Jack Henry & Associates, Inc.® | Lenexa, KS  66214 | Ext:  431050 |JoCooper at jackhenry.com



-----Original Message-----
From: wix-users [mailto:wix-users-bounces at lists.wixtoolset.org] On Behalf Of Kaveesh Dashora
Sent: Thursday, November 19, 2015 7:41 AM
To: WiX Toolset Users Mailing List <wix-users at lists.wixtoolset.org>
Subject: Re: [wix-users] Show a message when no features are selected

The e-mail below is from an external source.  Please do not open attachments or click links from an unknown or suspicious origin.

Awesome!!! Let me try this...

*--*
*Kaveesh*



On Thu, Nov 19, 2015 at 3:06 PM, Rob Hamflett <robworksn at outlook.com> wrote:

> Hi,
>
> I'm currently doing the same thing and the following seems to be 
> working for me.
>
> I have some preprocessor properties defined like this:
> <?define Feature1SelectedOrAlreadyInstalled = (&Feature1=3 OR 
> (!Feature1=3 AND NOT &Feature1=2))?> <?define 
> Feature2SelectedOrAlreadyInstalled = (&Feature2=3 OR (!Feature2=3 AND 
> NOT &Feature2=2))?> <?define Feature3SelectedOrAlreadyInstalled = 
> (&Feature3=3 OR (!Feature3=3 AND NOT &Feature3=2))?> <?define 
> FeatureSelected = ($(var.Feature1SelectedOrAlreadyInstalled) OR
> $(var.Feature2SelectedOrAlreadyInstalled) OR 
> $(var.Feature3SelectedOrAlreadyInstalled))?>
>
> In the above, "Feature1", "Feature2" and "Feature3" are the values 
> from the Feature at Id entries.
> The condition for each feature is:
> "feature selected for installation" OR ("feature is already installed" 
> AND NOT "feature is going to be removed")
>
> I then have the following elements as children of the SelectionTree 
> control and the "reset" PushButton control:
> <Publish Property="FEATURE_SELECTED" Value="1" Order="1">
>   <![CDATA[$(var.FeatureSelected)]]>
> </Publish>
> <Publish Property="FEATURE_SELECTED" Value="0" Order="2">
>   <![CDATA[NOT $(var.FeatureSelected)]]> </Publish>
>
> Finally, the "next" button opens the next dialog if 
> FEATURE_SELECTED="0", or a warning dialog if FEATURE_SELECTED="1".
>
> I hope this was useful,
> Rob
>
>
> On 18/11/2015 15:16, Kaveesh Dashora wrote:
>
>> Hi,
>>
>> I have created a msi using wix 3.9. There are two features in the MSI...
>> In
>> the current implementation, the installation succeeds even if there 
>> are no features selected... Is there a way through which I can show a 
>> message when no features are selected. The install button should only 
>> work when there is atleast one feature selected.
>>
>> Regards,
>> Kaveesh
>>
>> ____________________________________________________________________
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>
>
> ____________________________________________________________________
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