樂透開獎機模擬

'樂透開獎機
Public Class Form1
    Dim dx(10)
    Dim dy(10)
    Dim isStop(10) As Boolean
    Dim stopLoc = 1
    Dim pbox(10) As PictureBox
    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Randomize()
        Me.BackColor = Color.White

        pbox(1) = PictureBox1
        pbox(2) = PictureBox2
        pbox(3) = PictureBox3
        pbox(4) = PictureBox4
        pbox(5) = PictureBox5
        pbox(6) = PictureBox6
        pbox(7) = PictureBox7
        pbox(8) = PictureBox8
        pbox(9) = PictureBox9
        pbox(10) = PictureBox10

        Timer1.Enabled = True
        Timer1.Interval = 100
        Dim i
        For i = 1 To 10
            isStop(i) = False
            dx(i) = 1
            dy(i) = 1
            With pbox(i)
                .Image = Image.FromFile("..\..\resources\b" & i & ".gif")
                .Left = Int(Rnd() * 420 + 88)
                .Width = 35
                .Height = 35
                .SizeMode = PictureBoxSizeMode.StretchImage
                .BackColor = Color.White
            End With
        Next
    End Sub

    Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
        Dim i
        For i = 1 To 10
            If isStop(i) <> True Then
                If pbox(i).Left > 275 And pbox(i).Left < 310 And pbox(i).Top > 366 And pbox(i).Top < 389 Then
                    pbox(i).Left = stopLoc
                    pbox(i).Top = 484
                    dx(i) = 0
                    dy(i) = 0
                    isStop(i) = True
                    stopLoc = stopLoc + pbox(1).Width
                End If

                pbox(i).Left = pbox(i).Left + 20 * dx(i)
                If pbox(i).Left > 512 - 10 Then dx(i) = -1
                If pbox(i).Left < 87 + 10 Then dx(i) = 1

                pbox(i).Top = pbox(i).Top + 20 * dy(i)
                If pbox(i).Top > 378 - 10 Then dy(i) = -1
                If pbox(i).Top < 71 + 10 Then
                    dy(i) = 1
                    pbox(i).Top = pbox(i).Top + Int(Rnd() * 10) * dy(i)
                End If
            End If
        Next
    End Sub
End Class