module1.bas

自开发的联欢会抽奖程序

Attribute VB_Name = "Module1"
Option Base 1
Global N_Rows As Long   '参加选取人数
Global Order() As Long
Global Seq As Long
Global text(5000) As String
Global prizeCount As Integer   '中奖人数


Public Const WM_USER = &H400
Public Const EM_SETTARGETDEVICE = (WM_USER + 72)

Public Declare Function GetDC Lib "user32" (ByVal hWnd 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


Dim DoIt As Boolean
Private Const DT_EDITCONTROL = &H2000&
Private Type RECT
Left As Long
Top As Long
Right As Long
Bottom As Long
End Type
Private Declare Function BitBlt Lib "gdi32" (ByVal hDCDest As Long, ByVal XDest As Long, ByVal YDest As Long, ByVal nWidth As Long, ByVal nHeight As Long, ByVal hDCSrc As Long, ByVal xSrc As Long, ByVal ySrc As Long, ByVal dwRop As Long) As Long

Private Declare Function DrawText Lib "user32" Alias "DrawTextA" (ByVal hdc As Long, ByVal lpStr As String, ByVal nCount As Long, lpRect As RECT, ByVal wFormat As Long) As Long

Sub TextTrans(MyTB As RichTextBox)
Dim TempDC As Long
Dim Temp As String
Dim MyLoc As RECT
Temp = MyTB.text
MyLoc.Left = MyTB.Left
MyLoc.Top = MyTB.Top
MyLoc.Right = MyLoc.Left + MyTB.Width
MyLoc.Bottom = MyLoc.Top + MyTB.Height
MyTB.Parent.Cls
'MyTB.Parent.ForeColor = MyTB.ForeColor
Set MyTB.Parent.Font = MyTB.Font
DrawText MyTB.Parent.hdc, Temp, Len(Temp), MyLoc, DT_EDITCONTROL
TempDC = GetDC(MyTB.hWnd)
BitBlt TempDC, 0, 0, MyTB.Width, MyTB.Height, MyTB.Parent.hdc, MyTB.Left, MyTB.Top, vbSrcCopy
End Sub



Public Sub AutoSwitchLine(ByRef RichText As Control, ByVal bSwitch As Boolean)
    If bSwitch Then
        '设置 RichTextBox 自动换行
        Call SendMessage(RichText.hWnd, EM_SETTARGETDEVICE, _
        GetDC(RichText.hWnd), RichText.Width / 15)
        If RichText.RightMargin = 0 Then
            RichText.RightMargin = 1
        Else
            RichText.RightMargin = 0
        End If
    Else
        '设置 RichTextBox 不自动换行
        Call SendMessage(RichText.hWnd, EM_SETTARGETDEVICE, 0, 1)
    End If
End Sub



Function genNo()
Randomize
genNo = Int((N_Rows * Rnd) + 1)
If genNo > N_Rows Then MsgBox "MAX"

End Function

Function GetCommandLine(Optional MaxArgs)
   '声明变量。
   Dim C, CmdLine, CmdLnLen, InArg, I, NumArgs
   '检查是否提供了 MaxArgs 参数。
   If IsMissing(MaxArgs) Then MaxArgs = 10
   ' 使数组的大小合适。
   ReDim ArgArray(MaxArgs)
   NumArgs = 0: InArg = False
   '取得命令行参数。
   CmdLine = Command()
   CmdLnLen = Len(CmdLine)
   '以一次一个字符的方式取出命令行参数。
   For I = 1 To CmdLnLen
      C = Mid(CmdLine, I, 1)
      '检测是否为 space 或 tab。
      If (C <> " " And C <> vbTab) Then
         '若既不是 space 键，也不是 tab 键，
         '则检测是否为参数内含之字符。
         If Not InArg Then
         '新的参数。
         '检测参数是否过多。
            If NumArgs = MaxArgs Then Exit For
               NumArgs = NumArgs + 1
InArg = True
            End If
         '将字符连接到当前参数中。
         ArgArray(NumArgs) = ArgArray(NumArgs) & C
      Else
         '找到 space 或 tab。
         '将 InArg 标志设置成 False。
         InArg = False
      End If
   Next I
   '调整数组大小使其刚好符合参数个数。
   ReDim Preserve ArgArray(NumArgs)
   '将数组返回。
   GetCommandLine = ArgArray()
End Function