TrvActionParaBorder is the action for "Paragraph Border and Background" command.
TrvActionParaBorder = class(TrvActionParaStyles)
If UserInterface=True, the action uses a dialog window. The action performs the following steps:
1.assigns font attributes from the selected paragraphs to the action's properties
2.calls OnShowingDialog event
3.displays a dialog window
4.applies changes made in the dialog window to the action's properties
5.applies the action's properties to the selected paragraphs.
This action allows changing attributes of paragraph border and background. For changing other paragraph attributes, see TrvActionParagraph.