[wix-users] Fwd: Install WiX Bootstrapper Prerequisite Before Displaying UI

[Ben Key]

Rob Mensching said "It is possible, for example, mba (the managed
bootstrapper application host and friends) does this to install NETFX
before managed code BA can be loaded."

Can you be a little more specific? I did a search for "managed bootstrapper
application" and found the article Custom WiX Managed Bootstrapper
Application
<http://bryanpjohnston.com/2012/09/28/custom-wix-managed-bootstrapper-application/>.
It shows the installation of .NET as the first item in the Chain element.
It also shows C# and XML code to create the UI. But it does not say
anything about .NET being installed before the UI is displayed. In fact the
article I mentioned earlier, How To: Install the .NET Framework Using Burn
<http://wixtoolset.org/documentation/manual/v3/howtos/redistributables_and_install_checks/install_dotnet.html>,
makes it a point to state that you must target the built in version of .NET.

On Wed, Dec 9, 2015 at 12:14 PM, Rob Mensching <rob at firegiant.com> wrote:

> It is possible, for example, mba (the managed bootstrapper application
> host and friends) does this to install NETFX before managed code BA can be
> loaded.
>
> -----Original Message-----
> From: wix-users [mailto:wix-users-bounces at lists.wixtoolset.org] On Behalf
> Of Ben Key
> Sent: Wednesday, December 9, 2015 10:09
> To: wix-users at lists.wixtoolset.org
> Subject: [wix-users] Fwd: Install WiX Bootstrapper Prerequisite Before
> Displaying UI
>
> Is it possible to have one or more prerequisites installed before the Burn
> custom user interface? The scenario I have in mind is that the custom user
> interface depends on the prerequisites.
>
> The documentation I have found thus far indicates that you use the Chain
> element to install multiple packages. The packages are installed in the
> order that they are listed in the Chain element. However none of the
> documentation I have found indicates at which point when the UI is actually
> displayed or how to control this?
>
> One document on How To: Install the .NET Framework Using Burn <
> http://wixtoolset.org/documentation/manual/v3/howtos/redistributables_and_install_checks/install_dotnet.html
> >
> seems to suggest that this may not be possible. For example it contains
> the following sentences.
>
> "Target your bootstrapper application to the version of .NET built into
> the operating system. For Windows 7, this is .NET 3.5."
>
> Why would it specifically state that you need to target the version of
> .NET built into the operating system if you could be certain that the
> version of .NET you included in the bootstrapper would be available at the
> time the UI is displayed?
>
>
>
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