ListerUIChangeData

If a script add-inimplements the OnListerUIChange event, the method receives a ListerUIChangeData object when various user interface elements are opened or closed in a Lister.

Property Name	Return Type	Description
change	string	Returns a string indicating which UI elements changed. This will contain one or more of the following strings: dual, tree, metapane, viewer, utility, duallayout, metapanelayout, viewerlayout, toolbars, toolbarset, toolbarsauto, minmax.
lister	object:Lister	Returns a Lister object representing the Lister that is changing.
qualifiers	string	Returns a string indicating any qualifier keys that were held down by the user when the event was triggered. The string can contain any or all of the following: shift ctrl, alt, lwin, rwin If no qualifiers were down, the string will be: none