The chaining menu of Curve Path allows wireframe selection for Marking or 2D cutting.
Window selection filter
This dropdown menu sets the behavior of a window selection (holding the mouse left button pressed, moving the cursor, and releasing the mouse button).
Closed chains only
This option will only select the closed loop wireframe.
Open chains only
This option will only select the open loop wireframe.
Mixed
This option will select both the open and closed loops.
