reference:scripting_reference:scripting

StyleSelectedData

If a script add-in implements the OnStyleSelected event, the method receives a StyleSelectedData object when the user chooses a new Lister style.

Property Name	Return Type	Description
lister	object:Lister	Returns a Lister object representing the Lister that changing style.
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
style	string	Returns the name of the newly selected style.