tmux.WindowOptionValues.PopupBorderLines

PopupBorderLines returns materialized "popup-border-lines" as OptionValue with value type OptionValue PopupBorderLines from window option values; it does not query tmux. Available as CHOICE since tmux 3.3 (choices: "single", "double", "heavy", "simple", "rounded", "padded", "none"); set it with Window.SetPopupBorderLines or GlobalWindowScope.SetPopupBorderLines .