Selections/deselections are cumulative. If lines had already been selected, then any further selection/deselection will affect that set of selections. E.g. "L99:800" is the string to select all normal lines from 99 to 800. If Select_DB is called again to select "L1000", then lines 99 to 800 and 1000 would all be selected. Use a "T" prefix for Tie lines. Use an "F" prefix to specify lines of a specific flight. E.g. "F10" would select all lines of flight 10. Use an empty string ("") to select/deselect ALL lines.

public void Select(
	string str1,
	int i2
)

Public Sub Select ( 
	str1 As String,
	i2 As Integer
)

public:
void Select(
	String^ str1, 
	int i2
)

member Select : 
        str1 : string * 
        i2 : int -> unit