card game problem

[dexxa 0]

hello. i am trying to make a card game

i stole the codes from a previous post by larry i think. thank you

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#include <GUIconstants.au3>

$carddistance=15
$cardcode=0
$i=0
$height = 0


$cardhandle = DLLOpen("cards.dll")

$winhandle = GUICreate("What do you prefer?",1100,700)
GUISetState()

$hdc = DllCall("user32.dll","int","GetDC","hwnd",$winhandle)
$hdc = $hdc[0]

DLLCall($cardhandle,"int","cdtInit","int_ptr",0,"int_ptr",0)

For $i = 0 To 12
    
    $cardcode = Random(0,51,1)
        
    DLLCall($cardhandle,"int","cdtDraw","int",$hdc,"int", $carddistance*$i,"int", $height,"int", $cardcode,"int",0,"int", 0)
    sleep(1)
Next

DLLCall($cardhandle,"none","cdtTerm")
DLLClose($cardhandle)
DLLCall("user32.dll","int","ReleaseDC","hwnd",$winhandle,"int",$hdc)

While 1
    $msg = Guigetmsg()
    
    Select
        Case $msg = $GUI_EVENT_CLOSE
            ExitLoop

    EndSelect
Wend

a few questions:

1. what does getdc do?

2.i want to make this an online card game so that i can play with my few friends.

its like i host the game then i give them my ip so they can connect to me.

how do i do that?

i know this probably will be hard and my coding skill is crappy, but can u just give me some help? thx!!

[zcoacoaz 0]

1. i don't know.

2. You need to learn how to use au3xtra.dll search the forums.

[dexxa 0]

thx. one more question.

after i generated the cards, if i switch to another window then switch back to the card game window. the cards are all gone. why is that?

[dexxa 0]

replying to bring thread up........

questions above......

plz help.............

[dexxa 0]

thank you