SysMLv1: MagicDraw/Cameo: HOWTO show "missing" ItemFlows after using Display Related Elements to re-draw Associations and Connectors. Use the 'Show Realised Item Flows' and 'Realize All Item Flows' smart manipulators.
SysMLv1: MagicDraw/Cameo: Synchronising ItemFlows on Connectors with ObjectFlows in Activities using the Item Flow Manager. Nice!