例题5.6 计算购物款.frm

来自「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 」· FRM 代码 · 共 101 行

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "例题5.6 计算购物款"
   ClientHeight    =   2445
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   4365
   LinkTopic       =   "Form1"
   ScaleHeight     =   2445
   ScaleWidth      =   4365
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command2 
      Caption         =   "结束"
      Height          =   495
      Left            =   2865
      TabIndex        =   7
      Top             =   1275
      Width           =   1215
   End
   Begin VB.CommandButton Command1 
      Caption         =   "开始"
      Height          =   495
      Left            =   2865
      TabIndex        =   6
      Top             =   435
      Width           =   1215
   End
   Begin VB.TextBox Text3 
      Height          =   495
      Left            =   1305
      TabIndex        =   5
      Top             =   1635
      Width           =   1215
   End
   Begin VB.TextBox Text2 
      Height          =   495
      Left            =   1305
      TabIndex        =   4
      Top             =   915
      Width           =   1215
   End
   Begin VB.TextBox Text1 
      Height          =   495
      Left            =   1305
      TabIndex        =   3
      Top             =   195
      Width           =   1215
   End
   Begin VB.Label Label3 
      Caption         =   "实付款"
      Height          =   495
      Left            =   345
      TabIndex        =   2
      Top             =   1755
      Width           =   735
   End
   Begin VB.Label Label2 
      Caption         =   "折扣"
      Height          =   495
      Left            =   345
      TabIndex        =   1
      Top             =   1035
      Width           =   735
   End
   Begin VB.Label Label1 
      Caption         =   "应付款"
      Height          =   495
      Left            =   345
      TabIndex        =   0
      Top             =   315
      Width           =   735
   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()
  Dim s As Single, d As Single
  m = InputBox("请输入应付款:")
  Select Case m
     Case Is < 250
        d = 0
     Case Is < 500
        d = 0.05
     Case Is < 1000
        d = 0.075
     Case Is < 2000
        d = 0.1
     Case Else
        d = 0.15
  End Select
  Text1.Text = Str(m)
  Text2.Text = Str(d)
  Text3.Text = Str(m * (1 - d))
End Sub
Private Sub Command2_Click()
  End
End Sub