The Line Object Read Only dialog box displays when the layer that the object resides in is not editable. On the HOME tab, in the Windows group, click Tool Windows, and click Layers from the list, to open the Layers window, where you can specify layer settings.
Start Point X, Y
Indicated by the X and Y coordinate value.
End Point X, Y
Indicated by the X and Y coordinate value.
Length
The length of the line.
See also: