Adds the default outline-numbering scheme to the paragraphs in the range for the specified ListFormat object.
If the paragraphs are already formatted as an outline-numbered list, this method removes the numbers and formatting. This method doesn't remove built-in heading styles that have been applied to paragraphs.
DefaultListBehavior: Sets a value that specifies whether Microsoft Word uses new Web-oriented formatting for better list display. Can be either of the following constants: wdWord8ListBehavior (use formatting compatible with Microsoft Word 97) or wdWord9ListBehavior (use Web-oriented formatting). For compatibility reasons, the default constant is wdWord8ListBehavior, but in new procedures you should use wdWord9ListBehavior to take advantage of improved Web-oriented formatting with respect to indenting and multilevel lists.