Custom Actions 

The custom Actions page of the VI Package Builder window allows you to define custom VIs to execute during the installation process. These VIs are copied to a temporary folder before executing.

Figure 66 – Custom Action Properties Page

Install Actions: These VIs are called during the package installation process on the end-users computer inside the LabVIEW development system (the same LabVIEW version used to build the package). You can specify VIs as Pre-Install and Post-Install

Uninstall Actions: These VIs are called during the package Uninstallation process on the end-users computer inside the LabVIEW development system (the same LabVIEW version used to build the package). You can specify VIs as Pre-Uninstall and Post-Uninstall

Custom Action VI Requirements

Use the ‘Generate VI’ button to make sure these requirements are met.

•      VIs must be compatible with the same version of LabVIEW that is used to build the package.

•      The VI must be included as part of the package source folder if it’s an Install or Uninstall action. Build action VIs can be external to the package source.

•      In order to receive parameters from VIPM, the custom action VI should have a variant control on its Front Panel named "Variant".

•      In order to pass error information to VIPM, the custom action VI should have an error out indicator on its Front Panel named "error out".

Generate VI: This creates a VI with the required inputs and outputs that match all the requirements mentioned above. The VI diagram contains code to return all the available parameters.

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