经典小游戏：猜数字
附工程链接
可执行程序

Public Function calc() As Long
    Randomize
    calc = Int(Rnd * 100) + 1
End Function

Private Sub guess_Click()
  '  If Val(redo.Tag) = 0 Then result.Caption = "快去重置吧！"
    Dim tmp As Long
    tmp = Val(read.Text)
    read.Text = ""
    guess.Tag = Str(Val(guess.Tag) + 1)
    If tmp < redo.Tag Then
        result.Caption = "Small!"
        mini.Caption = Str(tmp)
        'If tmp > Val(mini.Caption) Then
    ElseIf tmp > redo.Tag Then
        result.Caption = "Big!"
        maxi.Caption = Str(tmp)
       ' If tmp < Val(maxi, Caption) Then
    Else
        result.Caption = "Congratulations!" + Chr(10) + "答案是" + Str(tmp) + Chr(10) + "你只用了" + Str(guess.Tag) + "次机会就猜到了！"
        redo.Tag = 0
    End If
End Sub

Private Sub redo_Click()
    guess.Tag = "0": mini.Caption = "1": maxi.Caption = "100"
    Label1.Caption = "~": result.Caption = "": read.Text = ""
    redo.Tag = Str(calc())
    Do While Val(redo.Tag) < 1 Or Val(redo.Tag) > 100
        redo.Tag = Str(calc())
    Loop
End Sub