Connector lines have five control points. There are control points for placing the start and end points, for adjusting the position of the cross bar (the line that connects the start and end line segments), and for adjusting the roundness of the corners.

To move the start or end point of a connector line:

To reposition the cross bar of a connector line:

To adjust all corners of a selected connector line:

To adjust a single corner of a selected connector line: