CSV to DDL on button press

CSVDDLbutton.ahk

SetWorkingDir % A_ScriptDir

csvfile = testvars.csv
TestVar2 = ServerVariable1|| ServerVaraible2| ServerVariable3|

; Gui, 1: +AlwaysOnTop
Gui, 1: Font, S9 
Gui, 1: Add, Text, CDefault, Select Var1
Gui, 1: Add, DDL, vDDL1

Gui, 1: Add, Text, CDefault, Select Server Variable
Gui, 1: Add, DDL, vDDL2, %TestVar2%

Gui, 1: Add, Button, wp Default gButtonLaunch, Launch

Gui, 1: Add, Button, wp Default, Stop
Gui, 1: Add, Checkbox, Checked vRcon, Use Debug Console

Gui, 1: Add, Text, CDefault, YOUR LAN IP: %A_IPAddress1%

Gui, 1: Add, Button, ys wp gLoadCSV,  populate ddl1

Gui, 1: Show, h200 w325, Video Game Server Launcher

return

ButtonLaunch:
Gui, 1: Submit, NoHide
msgbox done
MsgBox, Path/VideoGame.exe %DDL1%%DDL2%

Sleep, 100

if Rcon = 1

MsgBox, Debugconsole.exe 
Return

ButtonStop:
Gui, Submit, NoHide
Runwait, taskkill /im VideoGame.exe /f
Runwait, taskkill /im Debugconsole.exe /f
return

LoadCSV:
GUIControl, 1:, DDL1, % CSVtoDDL(csvfile)
return

GuiClose:
ExitApp

CreateCSV(csvfile)
{
    If !FileExist(csvfile)
    {
        Loop 5
            FileAppend, % "level" a_index "`,", % csvfile
    }
}

CSVtoDDL(csvfile)
{
    If !FileExist(csvfile)
        CreateCSV(csvfile)

    FileRead, csv, % csvfile
    Loop, Parse, csv, CSV
        ddl.=A_LoopField (A_Index=1?"||":"|")  

    Return SubStr(ddl,1,-1)
}