NOTE: Items in grey color are used by mIRC internally 
      to remember the last position in the mIRC Option Dialog.
=====================================n4================================================
                        1                        2                      3  
   1 2 3 4 5 6    7 8 9 0 1 2    3 4 5  6  7 8 9 0 1 2 3 4 5    6 7 8 9 0 1 2 3 4 5 6 7
n4=1,1,1,0,0,3,9999,0,0,1,1,0,1024,1,1,99,60,0,0,1,1,1,1,0,0,5000,1,5,0,0,3,0,1,1,0,0,1
=====================================n4================================================
01=CTRL-K Pops up Color Index
02=Beep On Query Message
03=Fill Spaces In Send Filenames
04=DCC Ignore State
05=Show In Active: Queries
06=Channels List: Number of people on a channel - Min Value
07=Channels List: Number of people on a channel - Max Value
08=Channels List: Match text in topics
09=Channels List: Hide Channels which match
10=Invisible mode
11=Channels List: Hide non-text Channels
12=Timestamp Events
13=First DCC Port
14=Move To Top Of List On Connect
15=Enable connect retry (check box)
16=Retry connection (Default: 99 times)
17=Retry delay (Default: 3 secs)
18=Popup Notify On Connect
19=Show In Active: Ctcps
20=Enable Perform Section
21=Switchbar Position - (0)->Bottom; (1)->Top; (2)->Left; (3)->Right
22=Always Highlight
23=Switchbar: Include DCCs 
24=Address Book: Last Tab Viewed b(0)-> Users; (1)->Whois; (2)->Notify; (3)->Control; (4)->Colors
25=Not In Use
26=Last DCC Port
27=Copy Messages To Query
28=Switchbar Button Message Color (from 0->top to 16->bottom)
29=Default Listbox Width
30=Log View Sort Method (from 0 to 6)
31=Switchbar Button EventColor (from 0->top to 16->bottom)
32=Show In Active: Away
33=Enable Support For Chat Links
34=Confirm Chat Link Requests
35=Transparency for desktop windows: (in percent) Default= 0%
36=Logging->View Button-> Search for: in files names only; Default= 0
37=Enable join on connect; (0)-> Disbabled; (1)->Enabled; Default= 0
=====================================n4===================================