📄 例9.frm
字号:
VERSION 5.00
Begin VB.Form FRM7_7_3
BackColor = &H00C0FFC0&
Caption = "Timer 设计实例2--交通岗红绿灯"
ClientHeight = 5220
ClientLeft = 375
ClientTop = 1260
ClientWidth = 8940
LinkTopic = "Form1"
ScaleHeight = 5220
ScaleWidth = 8940
Begin VB.Timer Timer5
Left = 7440
Top = 1680
End
Begin VB.CommandButton Command1
Caption = "Start"
BeginProperty Font
Name = "宋体"
Size = 18
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 495
Left = 7200
TabIndex = 5
Top = 2160
Width = 1215
End
Begin VB.Timer Timer4
Left = 6120
Top = 2280
End
Begin VB.Timer Timer3
Left = 6120
Top = 1560
End
Begin VB.Timer Timer2
Left = 6120
Top = 840
End
Begin VB.Timer Timer1
Left = 6120
Top = 120
End
Begin VB.PictureBox Picture5
AutoSize = -1 'True
Height = 540
Left = 7080
Picture = "例9.frx":0000
ScaleHeight = 480
ScaleWidth = 480
TabIndex = 4
Top = 840
Width = 540
End
Begin VB.PictureBox Picture4
AutoSize = -1 'True
Height = 540
Left = 720
Picture = "例9.frx":0442
ScaleHeight = 480
ScaleWidth = 480
TabIndex = 3
Top = 240
Width = 540
End
Begin VB.PictureBox Picture3
AutoSize = -1 'True
Height = 540
Left = 720
Picture = "例9.frx":0884
ScaleHeight = 480
ScaleWidth = 480
TabIndex = 2
Top = 240
Width = 540
End
Begin VB.PictureBox Picture2
AutoSize = -1 'True
Height = 540
Left = 720
Picture = "例9.frx":0CC6
ScaleHeight = 480
ScaleWidth = 480
TabIndex = 1
Top = 240
Width = 540
End
Begin VB.PictureBox Picture1
AutoSize = -1 'True
Height = 540
Left = 720
Picture = "例9.frx":1108
ScaleHeight = 480
ScaleWidth = 480
TabIndex = 0
Top = 240
Width = 540
End
Begin VB.Label Label4
BackColor = &H0000FF00&
Caption = "问题：汽车速度如何调节？"
BeginProperty Font
Name = "宋体"
Size = 18
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 495
Left = 1200
TabIndex = 9
Top = 4440
Width = 4335
End
Begin VB.Label Label3
BackColor = &H0000FFFF&
Caption = "1、灯的循环靠Timer控件进行控制，用一个控件或4个控件均可。"
BeginProperty Font
Name = "宋体"
Size = 18
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H00FF00FF&
Height = 735
Left = 1200
TabIndex = 8
Top = 2760
Width = 6015
End
Begin VB.Label Label2
BackColor = &H000000FF&
Caption = "2、划出红灯区，在红灯区之外汽车运动，在红灯区内依信号灯而定。"
BeginProperty Font
Name = "宋体"
Size = 18
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H00FF0000&
Height = 735
Left = 1200
TabIndex = 7
Top = 3480
Width = 6015
End
Begin VB.Label Label1
BackColor = &H0000FF00&
Caption = "解题思路"
BeginProperty Font
Name = "宋体"
Size = 18
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 375
Left = 2400
TabIndex = 6
Top = 2280
Width = 1575
End
Begin VB.Line Line1
BorderColor = &H0000FFFF&
BorderWidth = 5
X1 = 3120
X2 = 3120
Y1 = 240
Y2 = 2160
End
End
Attribute VB_Name = "FRM7_7_3"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
Picture1.Visible = True 'RED
Picture2.Visible = False 'YELLOW
Picture3.Visible = False 'GREEN
Picture4.Visible = False 'YELLOW
Timer1.Enabled = True
Timer2.Enabled = False
Timer3.Enabled = False
Timer4.Enabled = False
Timer5.Enabled = True
End Sub
Private Sub Form_Load()
Picture1.Visible = True 'RED
Picture2.Visible = False 'YELLOW
Picture3.Visible = False 'GREEN
Picture4.Visible = False 'YELLOW
Picture5.Visible = True 'CAR
Timer1.Enabled = False
Timer2.Enabled = False
Timer3.Enabled = False
Timer4.Enabled = False
Timer5.Enabled = False
Timer1.Interval = 2500
Timer2.Interval = 1000
Timer3.Interval = 3000
Timer4.Interval = 1000
Timer5.Interval = 30
End Sub
Private Sub Timer1_Timer()
Picture1.Visible = False 'RED
Picture2.Visible = True 'YELLOW
Picture3.Visible = False 'GREEN
Picture4.Visible = False 'YELLOW
Timer1.Enabled = False
Timer2.Enabled = True
Timer3.Enabled = False
Timer4.Enabled = False
End Sub
Private Sub Timer2_Timer()
Picture1.Visible = False 'RED
Picture2.Visible = False 'YELLOW
Picture3.Visible = True 'GREEN
Picture4.Visible = False 'YELLOW
Timer1.Enabled = False
Timer2.Enabled = False
Timer3.Enabled = True
Timer4.Enabled = False
End Sub
Private Sub Timer3_Timer()
Picture1.Visible = False 'RED
Picture2.Visible = False 'YELLOW
Picture3.Visible = False 'GREEN
Picture4.Visible = True 'YELLOW
Timer1.Enabled = False
Timer2.Enabled = False
Timer3.Enabled = False
Timer4.Enabled = True
End Sub
Private Sub Timer4_Timer()
Picture1.Visible = True 'RED
Picture2.Visible = False 'YELLOW
Picture3.Visible = False 'GREEN
Picture4.Visible = False 'YELLOW
Timer1.Enabled = True
Timer2.Enabled = False
Timer3.Enabled = False
Timer4.Enabled = False
End Sub
Private Sub Timer5_Timer()
If Picture5.Left >= Line1.X1 + 40 Then
Picture5.Left = Picture5.Left - 40
Else
If Picture5.Left >= Line1.X1 Then
If Picture3.Visible = True Then
Picture5.Left = Picture5.Left - 40
Else
Picture5.Left = Picture5.Left
End If
Else
Picture5.Left = Picture5.Left - 40
End If
End If
If Picture5.Left <= FRM7_7_3.Left Then
Picture5.Left = Me.Left + Me.Width
End If
End Sub
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