Calling custom exe in ExitDialog - wix

Question

I’m beginning with WiX and I have some trouble to customize ExitDIalog.
At first what I want:
I want to create a setup for my application
After setup I want to propose 2 choices :
Launch application (application.exe newly installed)
Launch an optional setup (my application require to install some drive depending of user’s camera)
The optional setup is a .exe. It should be placed next to setup.msi but no copied in my application folder.
I created directories :
<Fragment>
<Directory Id="TARGETDIR" Name="SourceDir">
<Directory Id="ProgramMenuFolder">
<Directory Id="ApplicationProgramsFolder" Name="$(var.compagny)"/>
</Directory>
<Directory Id="DesktopFolder" SourceName="Desktop"/>
<Directory Id="ProgramFilesFolder">
<Directory Id="COMPAGNYFOLDER" Name="$(var.compagny)">
<Directory Id="INSTALLFOLDER" Name="$(var.product)">
<Directory Id="fr" Name="fr"/>
</Directory>
</Directory>
</Directory>
</Directory>
</Fragment>
How can I add a reference to my .exe ? I did :
<Component Id="ProductComponent" Guid="{2C26B191-6654-4405-8E78-F8B6EFEDC9FC}" Directory="INSTALLFOLDER">
<File Id="uEye64_47100_WHQLexe" Source="./Resources/uEye64_47100_WHQL.exe" KeyPath="yes" Checksum="yes" Compressed="no" Vital="no"/>
</Component>
But the uEye64_47100_WHQL.exe file is copied in INSTALLFOLDER (I don't want) and the setup mix the path with [application]/bin/Release (don't know with). In the log file there is :
Failed to open the file:C:\dev\MyApplication\main\SetupProject\bin\Release\MyCompagny\MyProduct\uEye64_47100_WHQL.exe for computing its hash. Error:3
And I call the .exe like this (this file require elevated privileges)
<!-- Set checkbox for launch install uEye -->
<Property Id="WIXUI_EXITDIALOGUEYECHECKBOXTEXT" Value="Launch install uEye"/>
<CustomAction Id="SetExecUEye" FileKey="uEye64_47100_WHQLexe" ExeCommand="" Return="asyncNoWait" Impersonate="no" Execute="deferred"/>
<UI>
<UIRef Id="WixUI_Custom"/>
<Publish Dialog="MyExitDialog"
Control="Finish"
Event="DoAction"
Value="SetExecUEye">WIXUI_EXITDIALOGUEYECHECKBOX = 1 and NOT Installed</Publish>
</UI>
How should I define my uEye64_47100_WHQL.exe to be called after setup but no copied in INSTALLFOLDER ?

Answer 1

If you don't want to copy file to install location, just run it, you can include it as Binary source instead of component. This way, it is packed in installer, but is not deployed on installation (probably to some temp folder only).
<Binary Id="uEye64_47100_WHQLexe" SourceFile="./Resources/uEye64_47100_WHQL.exe" />
<CustomAction Id="InstalluEye64exe" BinaryKey="uEye64_47100_WHQLexe" ExeCommand="" Execute="deferred" Return="ignore" Impersonate="no"/>