Later I figured out that the separate thread is active during event calls. So
I tried it during *DetectComplete *event and it worked. <br/> <br/> But
before that, I had to parse *BootstrapperApplicationData.xml* file to get
*WixBalCondition* elements and get the collection into an array e.g.
BalConditions[].
Here is my code snippet:
void BootstrapperApplication_DetectComplete(object sender,
DetectCompleteEventArgs e)
{
string balCondtionMessages = string.Empty;
bool balConditionStatus = true;
foreach (var balCondition in
bootAppData.BundleData.BalConditions)
{
if
(!model.BootstrapperApplication.Engine.EvaluateCondition(balCondition.Condition))
{
balConditionStatus = false;
if (!String.IsNullOrEmpty(balCondtionMessages))
{
balCondtionMessages = balCondtionMessages +
'\n' + "- " + balCondition.Message;
}
else
balCondtionMessages = "- " +
balCondition.Message;
}
}
if (!balConditionStatus)
{
SetbalConditionMsg(balCondtionMessages);
}
}
This makes us parse for all conditions in our Bundle.wxs code, evaluate them
and display the related message in our Custom Bootstrapper UI.
Farrukhw wrote
> Hi,
> In my Managed Bootstrapper, I tried to call
> Engine.EvaluateCondition("MY_PROG_FOUND"); in Run() method. But it never
> evaluates and said something like: "This requires a running thread." and
> it never evaluates.
>
> I'm trying to evaluate Bundle conditions in my managed bootstrapper but
> still no luck.
>
> MY_PROG_FOUND is defined in Bundle code:
> <util:RegistrySearch Id="PETRELINSTALLLOCATION"
> Variable="MY_PROG_FOUND"
> Root="HKLM"
> Key="SYSTEM\CurrentControlSet\Control\Session Manager\Environment"
>
> Value="$(var.my_prog_env_var)"
> Result="exists"
> />
>
>
> <bal:Condition Message="[WixBundleName] required the installation of My
> Program.">
>
>
> </bal:Condition>
> How can I use Engine.EvaluateCondition() in managed bootstrapper? Does
> this requires to be called in a specific event, like DetectBegin()??
>
> Any help would be really appreciated...
> Thanks a bunch.
--
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