Gets the formatting character for a bulleted or numbered list. Takes a callback function with one parameter as a parameter. The callback function is called with the value as parameter upon receiving the information from the server.
A function with one parameter is called with the formatting character for a bulleted or numbered list.
The property's default value is ListFormatCharacter.Tab. The property returns its default value when the text selection contains multiple paragraphs with mixed formatting characters or when the text selection does not contain a bulleted or a numbered list.