WiX: how to access / change installation directory in managed bootstrapper?

问题

I am creating a WPF setup application with a custom user interface. I started with the tutorial of Bryan P. Johnston: http://bryanpjohnston.com/2012/09/28/custom-wix-managed-bootstrapper-application/

Somewhere in my view, I have a simple TextBox that binds to a Property InstallationPath in my MainViewModel.

Now I want this path to be used when the user clicks on "Install". For this, I have a button that binds to my InstallCommand. The following method is called (taken directly from the tutorial):

private void InstallExecute()
{
    Bootstrapper.Engine.Plan(LaunchAction.Install);
}

How can I make the packages to be installed into the directory of my property InstallationPath?

Edit:

I found a similar question here on Stackoverflow:

Specify the INSTALLLOCATION of packages in WiX inside the Burn managed bootstrapper

The answer there is from Bob Arnson

Use an MsiProperty child for each MsiPackage to specify INSTALLLOCATION=[BurnVariable]. Then use Engine.StringVariables to set BurnVariable.

Now, I think I could access the StringVariables in my InstallExecute like this

private void InstallExecute()
{
    Bootstrapper.Engine.StringVariables["BurnVariable"] = InstallationPath;
    Bootstrapper.Engine.Plan(LaunchAction.Install);
}

But where to define this variable? I guess somewhere in Product.wxs?

回答1:

Yes just create a variable in your burn bootstrapper:

<Variable Name="BurnVariable"
          bal:Overridable="yes" />

you can then pass this as a parameter to your boot-strapped msi package:

<MsiPackage SourceFile="$(var.YourMsiProject.Installer.TargetPath)" Compressed="no">
    <MsiProperty Name="INSTALLLOCATION" Value="[BurnVariable]" />          
</MsiPackage>

回答2:

One missing property "Type" on Bundle Variable element. caverman_dick is right but this not works properly when not overridable. You can try this too, setting Type="string".

Wix Variable Element

<Wix>...<Bundle>...
  <Variable Name="MyApplicationMsiInstallFolder" Value="[WindowsVolume]MyApplication"
          bal:Overridable="yes" Type="string"/>
    <Chain>
        <?if $(var.DbVersion) = false?>
        <PackageGroupRef Id="AccessDatabaseGroup"/>
        <RollbackBoundary />
        <?endif?>
        <MsiPackage Id="MyApplicationMsiPackage" SourceFile="$(var.MyApplicationSetup.TargetPath)" DisplayInternalUI="no"
                                Vital="yes" >
            <MsiProperty Name="APPLICATIONFOLDER" Value="[MyApplicationMsiInstallFolder]"/>
        </MsiPackage>
    </Chain>
</Bundle></Wix>

来源：https://stackoverflow.com/questions/15019135/wix-how-to-access-change-installation-directory-in-managed-bootstrapper

标签

wix

bootstrapper