form1.frm

用VB实现生产者与消费者问题

VERSION 5.00
Begin VB.Form Form1 
   BackColor       =   &H00FFFFFF&
   Caption         =   "Form1"
   ClientHeight    =   5295
   ClientLeft      =   3450
   ClientTop       =   1920
   ClientWidth     =   5925
   BeginProperty Font 
      Name            =   "宋体"
      Size            =   15
      Charset         =   134
      Weight          =   700
      Underline       =   0   'False
      Italic          =   0   'False
      Strikethrough   =   0   'False
   EndProperty
   LinkTopic       =   "Form1"
   Picture         =   "Form1.frx":0000
   ScaleHeight     =   5295
   ScaleWidth      =   5925
   Begin VB.CommandButton Command2 
      Caption         =   "消费者"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   3360
      TabIndex        =   1
      Top             =   4680
      Width           =   1335
   End
   Begin VB.CommandButton Command1 
      Caption         =   "成产者"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   360
      TabIndex        =   0
      Top             =   4680
      Width           =   1215
   End
   Begin VB.Label Label2 
      BackStyle       =   0  'Transparent
      Caption         =   "生产者--消费者"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   21.75
         Charset         =   134
         Weight          =   700
         Underline       =   -1  'True
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   1215
      Left            =   1200
      TabIndex        =   3
      Top             =   600
      Width           =   3735
   End
   Begin VB.Label Label1 
      BackStyle       =   0  'Transparent
      Height          =   1335
      Left            =   480
      TabIndex        =   2
      Top             =   3360
      Width           =   4215
   End
   Begin VB.Image Image3 
      Height          =   855
      Left            =   3120
      Picture         =   "Form1.frx":76F2
      Stretch         =   -1  'True
      Top             =   2400
      Width           =   855
   End
   Begin VB.Image Image2 
      Height          =   855
      Left            =   2280
      Picture         =   "Form1.frx":8BB2
      Stretch         =   -1  'True
      Top             =   2400
      Width           =   855
   End
   Begin VB.Image Image1 
      Enabled         =   0   'False
      Height          =   855
      Left            =   1440
      Picture         =   "Form1.frx":A072
      Stretch         =   -1  'True
      Top             =   2400
      Width           =   855
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim counter As Integer

Private Sub Command1_Click()
If counter < 4 Then
counter = counter + 1
End If
If counter > 3 Then
Label1.Caption = "空间已满，不能再容纳汉堡了 "
End If
If counter = 1 Then
Image1.Visible = True
 End If
 If counter = 2 Then
Image2.Visible = True
End If
If counter = 3 Then
Image3.Visible = True
End If

End Sub

Private Sub Command2_Click()
If counter < 1 Then
Label1.Caption = "没有汉堡可吃，我们好饿，请快点生产"
End If
If counter = 4 Then
counter = counter - 1
End If
If counter = 1 Then
Image1.Visible = False
 End If
 If counter = 2 Then
Image2.Visible = False
End If
If counter = 3 Then
Image3.Visible = False
End If
If counter > 0 Then
counter = counter - 1
End If
End Sub

Private Sub Form_Load()
Image1.Visible = False
Image2.Visible = False
Image3.Visible = False
counter = 0
End Sub