tgjoin

Joins selected graphic objects. Only either boxes or lines may be joined together. They may not be joined to each other and all items to be joined must be of the same type.

[no parameter]

Apply macro to selected objects.

mouse control

Draws a line between the end point of the first line and the start point of the next line to form a single line. If boxes are selected a new single box that would be large enough to encompass all of the boxes being joined is drawn.

thread

1	Joins lines with a thread. This invisible join will connect the end point of the first line with the start point of the next. Several lines can be joined in this way, allowing you to manipulate a set of several lines as a group.