例5.4 判断字符类型.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5.4 判断字符类型"
   ClientHeight    =   2550
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4185
   LinkTopic       =   "Form1"
   ScaleHeight     =   2550
   ScaleWidth      =   4185
   StartUpPosition =   3  'Windows Default
   Begin VB.TextBox Text1 
      Height          =   495
      Left            =   1882
      TabIndex        =   1
      Top             =   544
      Width           =   1215
   End
   Begin VB.CommandButton Command1 
      Caption         =   "判断"
      Height          =   495
      Left            =   1087
      TabIndex        =   0
      Top             =   1512
      Width           =   2055
   End
   Begin VB.Label Label1 
      BorderStyle     =   1  'Fixed Single
      Caption         =   "字符："
      Height          =   495
      Left            =   1035
      TabIndex        =   2
      Top             =   540
      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 strc As String
  strc = Text1.Text
  Select Case strc
    Case "a" To "z", "A" To "Z"
       Print strc + "是字母字符"
    Case "0" To "9"
       Print strc + "是数字字符"
    Case Else
       Print strc + "是其它字符"
  End Select
End Sub