例[6-4].frm

蒋加伏主编VB程序设计第四版PPT及全部课本源码 北京邮电大学出版社 Visual Basic 程序设计教程（第四版） 主编 蒋加伏 张林峰 找了好久的（不带密码的）

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "例［6-4］ 直方图"
   ClientHeight    =   2940
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   3510
   LinkTopic       =   "Form1"
   ScaleHeight     =   2940
   ScaleWidth      =   3510
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command2 
      Caption         =   "绘直方图"
      Height          =   375
      Left            =   1800
      TabIndex        =   1
      Top             =   2400
      Width           =   1335
   End
   Begin VB.CommandButton Command1 
      Caption         =   "输入4个数据"
      Height          =   375
      Left            =   240
      TabIndex        =   0
      Top             =   2400
      Width           =   1335
   End
   Begin VB.Label Label1 
      Alignment       =   1  'Right Justify
      Caption         =   "Label1"
      Height          =   255
      Index           =   3
      Left            =   0
      TabIndex        =   5
      Top             =   1440
      Visible         =   0   'False
      Width           =   615
   End
   Begin VB.Label Label1 
      Alignment       =   1  'Right Justify
      Caption         =   "Label1"
      Height          =   255
      Index           =   2
      Left            =   0
      TabIndex        =   4
      Top             =   1200
      Visible         =   0   'False
      Width           =   615
   End
   Begin VB.Label Label1 
      Alignment       =   1  'Right Justify
      Caption         =   "Label1"
      Height          =   255
      Index           =   1
      Left            =   0
      TabIndex        =   3
      Top             =   960
      Visible         =   0   'False
      Width           =   615
   End
   Begin VB.Label Label1 
      Alignment       =   1  'Right Justify
      Caption         =   "Label1"
      Height          =   255
      Index           =   0
      Left            =   0
      TabIndex        =   2
      Top             =   720
      Visible         =   0   'False
      Width           =   615
   End
   Begin VB.Shape Shape1 
      BackColor       =   &H8000000D&
      BorderColor     =   &H80000006&
      FillColor       =   &H00FF0000&
      FillStyle       =   0  'Solid
      Height          =   975
      Index           =   3
      Left            =   2040
      Top             =   1320
      Visible         =   0   'False
      Width           =   255
   End
   Begin VB.Shape Shape1 
      BackColor       =   &H8000000D&
      BorderColor     =   &H80000006&
      FillColor       =   &H0000FF00&
      FillStyle       =   0  'Solid
      Height          =   975
      Index           =   2
      Left            =   1680
      Top             =   1320
      Visible         =   0   'False
      Width           =   255
   End
   Begin VB.Shape Shape1 
      BackColor       =   &H8000000D&
      BorderColor     =   &H80000006&
      FillColor       =   &H0000FFFF&
      FillStyle       =   0  'Solid
      Height          =   975
      Index           =   1
      Left            =   1320
      Top             =   1320
      Visible         =   0   'False
      Width           =   255
   End
   Begin VB.Shape Shape1 
      BackColor       =   &H8000000D&
      BorderColor     =   &H80000006&
      FillColor       =   &H000000FF&
      FillStyle       =   0  'Solid
      Height          =   975
      Index           =   0
      Left            =   960
      Top             =   1320
      Visible         =   0   'False
      Width           =   255
   End
   Begin VB.Line Line2 
      X1              =   720
      X2              =   720
      Y1              =   600
      Y2              =   2280
   End
   Begin VB.Line Line1 
      X1              =   720
      X2              =   3000
      Y1              =   2280
      Y2              =   2280
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim s(4) As Integer              '声明存放输入的4个数的数组，被多个事件过程使用，为窗体级变量
Private Sub Command1_Click()
'输入4个整数，并作为刻度值显示在纵坐标上
    For k = 1 To 4
        s(k) = Val(InputBox("请输入整数"))  '输入的四个整数分别放在S(1)、S(2)、S(3)、S(4)中
        Label1(k - 1).Caption = s(k)    '输入的数值作为标签数组元素的标题，k-1是因为标签数组下标是从0开始
        Label1(k - 1).Move Line2.X1 - Label1(k - 1).Width, Line1.Y1 - s(k)  '确定标签左上角位置
        Label1(k - 1).Visible = True      '标签变为可见
    Next k
End Sub

Private Sub Command2_Click()
'根据输入的4个数绘出直方图
    Dim a As Integer
    For k = 1 To 4
        Shape1(k - 1).Height = s(k)       '确定每个矩形的高度
        a = Line1.Y1
        Shape1(k - 1).Top = a - Shape1(k - 1).Height  '确定形状控件的Top属性，为横坐标的高度
        Shape1(k - 1).Visible = True
    Next k
End Sub