frm1.frm

同一坐标系统下坐标有多种不同的表现形 式

VERSION 5.00
Begin VB.Form frm1 
   Caption         =   "frm1"
   ClientHeight    =   3990
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   5985
   LinkTopic       =   "Form3"
   ScaleHeight     =   3990
   ScaleWidth      =   5985
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command1 
      Caption         =   "关闭"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   4080
      TabIndex        =   5
      Top             =   3000
      Width           =   1575
   End
   Begin VB.TextBox Text2 
      Height          =   495
      Left            =   3120
      TabIndex        =   4
      Top             =   1920
      Width           =   1815
   End
   Begin VB.TextBox Text1 
      Height          =   495
      Left            =   120
      TabIndex        =   3
      Top             =   1920
      Width           =   1815
   End
   Begin VB.Label Label3 
      AutoSize        =   -1  'True
      Caption         =   "华氏温度："
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   240
      Left            =   2880
      TabIndex        =   2
      Top             =   1440
      Width           =   1200
   End
   Begin VB.Label Label2 
      AutoSize        =   -1  'True
      Caption         =   "摄氏温度："
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   240
      Left            =   360
      TabIndex        =   1
      Top             =   1440
      Width           =   1200
   End
   Begin VB.Label Label1 
      AutoSize        =   -1  'True
      Caption         =   "摄氏-华氏温度转换："
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   240
      Left            =   360
      TabIndex        =   0
      Top             =   720
      Width           =   2280
   End
End
Attribute VB_Name = "frm1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
Dim s As Single, c As Integer, answer As Integer

Private Sub Command1_Click()
   Unload Me
   Form2.Show
End Sub

Private Sub Text1_Change()
   c = Val(Text1.Text)
   If Text1.Text = "0" Then
      Text2.Text = "32"
    ElseIf c > 0 Then
    s = (c * 9# / 5) + 32
    Text2.Text = Str$(s)
   Else
       answer = MsgBox("非法数据！", vbOKOnly + vbExclamation, "提示信息")
       If answer = vbOK Then
         Text1.Text = ""
          Text2.Text = ""
       End If
    End If
       
       
End Sub