Hi ,
I have the following requirement
I need to develop an installer using Wix . I need to check whether .Net 3.5
SP1 is installed or not and if the prerequisite is not met, must show a
messagebox(dialog) to the user telling that it is not installed - Do you wish
to continue the install .Net, Once the user click OK, must install the .Net 3.5
and then continue with the rest of the installation.( My .Net MSI is
inpackage)
Following are my questions?
a) Is it possible to implement the same in Wix with out using
Burn(Bootstrapper)? If yes , how?
b) I can check whether for the .Net prerequisites from Wix MSI and can fail the
installation if condition is not met. But cant continue with the installation
of .Net.
c) I tried installing .Net component by invoking a custom action writen in C++
. But this approach doesnt seem to work since we having multiple MSIs running
at the same time(Main MSI and the .Net MSI) and the .Net installation fails .
d) I tried using EmbeddedChainer Element in Wix. I have specified the .Net
installer as the filesource. This approach also fails since multiple MSI
instances are running.
I know i can achieve the functionality using Burn - but following are the
issues i found with Burn approach
a) I need to double click an exe which internally invokes MSI whereas my
requirement is very specific that starting point must be an MSI file.
b) As far as I know, we cant create a Burn bootstrapper application without a
UI.
c)Using Burn- if prerequisites are not met, it will straight away install .Net
componet without user consent.
Any suggestions are welcome. I am finding it very difficult to solve the
problem.
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