Selection of Active Customization File
- Last UpdatedNov 24, 2025
- 2 minute read
The customization system supports the concept of multiple configuration files.
Selecting the Active customization File

Any number of levels of customization file can be defined either using the module customization configuration file or the CommandBarManager. AddUICustomizationFile() method, and they are layered on-top of each other in the order they appear in the list. Selecting an entry in the list will update the tree view (3) and listview (4) with all configuration information defined in the selected file and those above it. Any items in the tree or listview which are not defined in the currently active customization file are displayed with an italic font in grey. Any customization file which a user does not have write access to does not appear in the drop-down list, but its contents are included in the tree and list of tools.
Customization Dialog: Indication of editable items

Here the Save button is defined in the "ConnectionMap" customization file. It is displayed in italics along with the "Schematic Model Viewer" Command Bar since these items are not defined in the currently selected customization file.
The selected customization file will also be made the active customization file and any edits will only be possible to customization information defined in this file.