红绿灯.frm

简单的红绿灯显示源代码

VERSION 5.00
Begin VB.Form Form1 
   BorderStyle     =   3  'Fixed Dialog
   Caption         =   "红绿灯"
   ClientHeight    =   4875
   ClientLeft      =   45
   ClientTop       =   435
   ClientWidth     =   3075
   Icon            =   "红绿灯.frx":0000
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   4875
   ScaleWidth      =   3075
   ShowInTaskbar   =   0   'False
   StartUpPosition =   2  '屏幕中心
   Begin VB.Timer Timer1 
      Interval        =   1000
      Left            =   1860
      Top             =   120
   End
   Begin VB.Label Label2 
      AutoSize        =   -1  'True
      Caption         =   "1"
      BeginProperty Font 
         Name            =   "MS Serif"
         Size            =   48.75
         Charset         =   0
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   1200
      Left            =   1920
      TabIndex        =   1
      Top             =   1800
      Width           =   465
   End
   Begin VB.Label Label1 
      Caption         =   "1"
      Height          =   315
      Left            =   2400
      TabIndex        =   0
      Top             =   120
      Visible         =   0   'False
      Width           =   255
   End
   Begin VB.Shape Shape3 
      BackColor       =   &H0000FF00&
      BackStyle       =   1  'Opaque
      Height          =   1395
      Left            =   180
      Shape           =   3  'Circle
      Top             =   3240
      Visible         =   0   'False
      Width           =   1755
   End
   Begin VB.Shape Shape2 
      BackColor       =   &H0000FFFF&
      BackStyle       =   1  'Opaque
      Height          =   1395
      Left            =   180
      Shape           =   3  'Circle
      Top             =   1680
      Visible         =   0   'False
      Width           =   1755
   End
   Begin VB.Shape Shape1 
      BackColor       =   &H000000FF&
      BackStyle       =   1  'Opaque
      Height          =   1395
      Left            =   180
      Shape           =   3  'Circle
      Top             =   120
      Width           =   1755
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Timer1_Timer()
Dim i As Single
Dim j As Integer
i = Label1.Caption
Label1.Caption = i + 1
If i < 30 Then
Shape1.Visible = True
Shape3.Visible = False
End If
If i > 29 And i < 33 Then
Shape1.Visible = False
Shape2.Visible = True
End If
If i > 32 Then
Shape3.Visible = True
Shape2.Visible = False
End If
If i > 61 Then
Label1.Caption = 1
End If
j = Label2.Caption

If i = 30 Then
j = 0
End If
If i = 33 Then
j = 0
End If
If j = 30 Then
j = 0
End If
Label2.Caption = j + 1
End Sub