OptionallineLine stroke color as a CSS hex string (e.g. '#ff0000').
OptionallineLine pattern. 0 = no line, 1 = solid (default), 2 = dashed, 3 = dotted, 4 = dash-dot, etc. Matches Visio's LinePattern cell.
OptionallineStroke weight in points (e.g. 1 for a 1 pt line).
Converted to inches internally (pt / 72).
OptionalroutingHow Visio routes the connector between its endpoints.
Style options for a connector (dynamic connector shape). All fields are optional; omitted fields retain their defaults.