pexam5_1.frm

深圳大学的vb上机与教学的课件

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "计算分段函数"
   ClientHeight    =   1935
   ClientLeft      =   4590
   ClientTop       =   3675
   ClientWidth     =   3360
   LinkTopic       =   "Form1"
   ScaleHeight     =   1935
   ScaleWidth      =   3360
   Begin VB.CommandButton Command1 
      Caption         =   "计算Y"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   14.25
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   1575
      Left            =   2400
      TabIndex        =   4
      Top             =   120
      Width           =   495
   End
   Begin VB.TextBox Text1 
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   14.25
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   720
      TabIndex        =   1
      Top             =   360
      Width           =   1215
   End
   Begin VB.Label Label3 
      BorderStyle     =   1  'Fixed Single
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   14.25
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   720
      TabIndex        =   3
      Top             =   1200
      Width           =   1215
   End
   Begin VB.Label Label2 
      AutoSize        =   -1  'True
      Caption         =   "Y="
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   14.25
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   285
      Left            =   240
      TabIndex        =   2
      Top             =   1200
      Width           =   345
   End
   Begin VB.Label Label1 
      AutoSize        =   -1  'True
      Caption         =   "X="
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   14.25
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   285
      Left            =   240
      TabIndex        =   0
      Top             =   360
      Width           =   345
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
  X = Val(Text1.Text)        ' 将文本框中的字符内容转换成数值
  If X <= 0 Then Y = Abs(X) Else Y = Log(X)
  Label3.Caption = Y         ' 将计算结果Y显示于标签Label3中
End Sub