[VB6 ]World War 3 points game Source + EXE

'You need
' 4 CommandButtons "cmdAbout", "cmdHow", "cmdAdd" and "cmd Subtract"
' A listbox called "lstCountries" set to style "Checkbox".
 
'The form code
Option Explicit
Dim index As Integer, i As Integer, holder As String, var(20) As Variant, country As String, zero As Boolean
 
Private Sub cmdAbout_Click()
MsgBox ("World War 3 Forum Game"& vbCrLf & "Based on the Forum game [url]http://www.gtaforums.com/index.php?[/url] showtopic=566787&st=0" & vbCrLf & Please visit either [url]http://aaronspehr.net/[/url] or [url]http://www.vbforums.com/showthread.php?728099-World-War-3-points-game&p=4465297#post4465297[/url] to download the lastest version. & vbCrLf & "Copyright 2013 by Nightwalker83")
End Sub
 
Private Sub cmdAdd_Click()
 addpoint
End Sub
 
Private Sub cmdHow_Click()
MsgBox ("How to play " & App.ProductName & vbCrLf & "Select a country then select either add or subtract a vote if a country reaches 0 votes they lose the game.")
End Sub
 
Private Sub cmdSubtract_Click()
subtractpoint
End Sub
 
Private Sub Form_Load()
    'Subclass the "Form", to Capture the Listbox Notification Messages ...
    lPrevWndProc = SetWindowLong(hwnd, GWL_WNDPROC, AddressOf SubClassedList)
    var(0) = 5
    lstCountries.AddItem "Australia   - " & var(0), 0
     var(1) = 5
    lstCountries.AddItem "France  - " & var(1), 1
     var(2) = 5
    lstCountries.AddItem "Germany  - " & var(2), 2
    i = 0
End Sub
 
Private Sub Form_Unload(Cancel As Integer)
    'Release the SubClassing, Very Important to Prevent Crashing!
    Call SetWindowLong(hwnd, GWL_WNDPROC, lPrevWndProc)
End Sub
 
Private Sub lstCountries_Click()
   holder = lstCountries.Text
   country = (Replace(holder, Right(holder, 3), ""))
End Sub
 
Private Sub varcheck(pos As Integer)
If pos = 0 Then
lstCountries.RemoveItem (lstCountries.ListIndex)
cmdSubtract.Enabled = False
zero = True
Else
zero = False
End If
End Sub
 
Private Sub addpoint()
If holder = "" Then Exit Sub
      List1.RemoveItem List1.ListIndex
        Select Case Trim(country)
        Case "Australia"
        varcheck (var(0))
        var(0) = var(0) + 1
         List1.AddItem country & var(0), List1.ListIndex
         List1.ItemData(List1.NewIndex) = QBColor(10)
        Case "France"
        varcheck (var(1))
        var(1) = var(1) + 1
         List1.AddItem country & var(1), List1.ListIndex
         List1.ItemData(List1.NewIndex) = QBColor(10)
        Case "Germany"
        varcheck (var(2))
        var(2) = var(2) + 1
       List1.AddItem country & var(2), List1.ListIndex
       List1.ItemData(List1.NewIndex) = QBColor(10)
        End Select
        i = Right(List1.Text, 1)
        MsgBox (country & " point added")
        Command2.Enabled = True
End Sub
 
Private Sub subtractpoint()
If holder = "" Then Exit Sub
        Select Case Trim(country)
        Case "Australia"
         varcheck (var(0))
         If zero Then Exit Sub
            lstCountries.RemoveItem lstCountries.ListIndex
         var(0) = var(0) - 1
         lstCountries.AddItem country & var(0), lstCountries.ListIndex
         lstCountries.ItemData(lstCountries.NewIndex) = QBColor(12)
        Case "France"
        varcheck (var(1))
        If zero Then Exit Sub
            lstCountries.RemoveItem lstCountries.ListIndex
        var(1) = var(1) - 1
         lstCountries.AddItem country & var(1), lstCountries.ListIndex
         lstCountries.ItemData(lstCountries.NewIndex) = QBColor(12)
        Case "Germany"
        varcheck (var(2))
           If zero Then Exit Sub
            lstCountries.RemoveItem lstCountries.ListIndex
        var(2) = var(2) - 1
       lstCountries.AddItem country & var(2), lstCountries.ListIndex
       lstCountries.ItemData(lstCountries.NewIndex) = QBColor(12)
        End Select
        i = Right(lstCountries.Text, 1)
        MsgBox (country & " point subtracted")
End Sub
 
'The module code
' from thevbprogrammer.com
 
Option Explicit
 
Public Type RECT
        Left As Long
        Top As Long
        Right As Long
        Bottom As Long
End Type
 
Public Type DRAWITEMSTRUCT
        CtlType As Long
        CtlID As Long
        itemID As Long
        itemAction As Long
        itemState As Long
        hwndItem As Long
        hdc As Long
        rcItem As RECT
        ItemData As Long
End Type
 
Public Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (Destination As Any, Source As Any, ByVal Length As Long)
 
Public Declare Function SetWindowLong Lib "user32" Alias "SetWindowLongA" (ByVal hwnd As Long, ByVal nIndex As Long, ByVal dwNewLong As Long) As Long
Public Declare Function CallWindowProc Lib "user32" Alias "CallWindowProcA" (ByVal lpPrevWndFunc As Long, ByVal hwnd As Long, ByVal Msg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long
Public Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long
Public Declare Function CreateSolidBrush Lib "gdi32" (ByVal crColor As Long) As Long
Public Declare Function FillRect Lib "user32" (ByVal hdc As Long, lpRect As RECT, ByVal hBrush As Long) As Long
Public Declare Function DeleteObject Lib "gdi32" (ByVal hObject As Long) As Long
Public Declare Function SetBkColor Lib "gdi32" (ByVal hdc As Long, ByVal crColor As Long) As Long
Public Declare Function SetTextColor Lib "gdi32" (ByVal hdc As Long, ByVal crColor As Long) As Long
Public Declare Function TextOut Lib "gdi32" Alias "TextOutA" (ByVal hdc As Long, ByVal x As Long, ByVal y As Long, ByVal lpString As String, ByVal nCount As Long) As Long
Public Declare Function DrawFocusRect Lib "user32" (ByVal hdc As Long, lpRect As RECT) As Long
Public Declare Function GetSysColor Lib "user32" (ByVal nIndex As Long) As Long
 
Public Const COLOR_HIGHLIGHT = 13
Public Const COLOR_HIGHLIGHTTEXT = 14
Public Const COLOR_WINDOW = 5
Public Const COLOR_WINDOWTEXT = 8
Public Const LB_GETTEXT = &H189
Public Const WM_DRAWITEM = &H2B
Public Const GWL_WNDPROC = (-4)
Public Const ODS_FOCUS = &H10
Public Const ODT_LISTBOX = 2
 
Public lPrevWndProc As Long
 
Public Function SubClassedList(ByVal hwnd As Long, ByVal Msg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long
    Dim tItem As DRAWITEMSTRUCT
    Dim sBuff As String * 255
    Dim sItem As String
    Dim lBack As Long
 
    If Msg = WM_DRAWITEM Then
        'Redraw the listbox
        'This function only passes the Address of the DrawItem Structure, so we need to
        'use the CopyMemory API to Get a Copy into the Variable we setup:
        Call CopyMemory(tItem, ByVal lParam, Len(tItem))
        'Make sure we're dealing with a Listbox
        If tItem.CtlType = ODT_LISTBOX Then
            'Get the Item Text
            Call SendMessage(tItem.hwndItem, LB_GETTEXT, tItem.itemID, ByVal sBuff)
            sItem = Left(sBuff, InStr(sBuff, Chr(0)) - 1)
            If (tItem.itemState And ODS_FOCUS) Then
                'Item has Focus, Highlight it, I'm using the Default Focus
                'Colors for this example.
                lBack = CreateSolidBrush(GetSysColor(COLOR_HIGHLIGHT))
                Call FillRect(tItem.hdc, tItem.rcItem, lBack)
                Call SetBkColor(tItem.hdc, GetSysColor(COLOR_HIGHLIGHT))
                Call SetTextColor(tItem.hdc, GetSysColor(COLOR_HIGHLIGHTTEXT))
                TextOut tItem.hdc, tItem.rcItem.Left, tItem.rcItem.Top, ByVal sItem, Len(sItem)
                DrawFocusRect tItem.hdc, tItem.rcItem
            Else
                'Item Doesn't Have Focus, Draw it's Colored Background
                'Create a Brush using the Color we stored in ItemData
                lBack = CreateSolidBrush(tItem.ItemData)
                'Paint the Item Area
                Call FillRect(tItem.hdc, tItem.rcItem, lBack)
                'Set the Text Colors
                Call SetBkColor(tItem.hdc, tItem.ItemData)
                Call SetTextColor(tItem.hdc, IIf(tItem.ItemData = vbBlack, vbWhite, vbBlack))
                'Display the Item Text
                TextOut tItem.hdc, tItem.rcItem.Left, tItem.rcItem.Top, ByVal sItem, Len(sItem)
            End If
            Call DeleteObject(lBack)
            'Don't Need to Pass a Value on as we've just handled the Message ourselves
            SubClassedList = 0
            Exit Function
 
        End If
 
    End If
    SubClassedList = CallWindowProc(lPrevWndProc, hwnd, Msg, wParam, lParam)
End Function