Select/Deselect Single Line

In the active database, right-click the line header cell (the top-left corner of the database), then choose Selections > Select/Deselect Single Line (SELLINE GX) to select or deselect a single line.

Select/Deselect Single Line dialog options

Line	Select the line. Script Parameter: SELLINE.FLIGHT
[Select]	Click to select the line. Script Parameter: SELINE.OPTION[0]
[Deselect]	Click to deselect the line. Script Parameter: SELLINE.OPTION[1]