form1.frm

这里有很多很实用的VB编程案例,方便大家学习VB.

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "密码输入框"
   ClientHeight    =   975
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4320
   LinkTopic       =   "Form1"
   ScaleHeight     =   975
   ScaleWidth      =   4320
   StartUpPosition =   3  '窗口缺省
   Begin VB.TextBox Text1 
      Height          =   375
      IMEMode         =   3  'DISABLE
      Left            =   2160
      MaxLength       =   5
      PasswordChar    =   "*"
      TabIndex        =   0
      Top             =   120
      Width           =   1215
   End
   Begin VB.Label Label1 
      Caption         =   "请输入五位数字密码："
      Height          =   375
      Left            =   240
      TabIndex        =   1
      Top             =   120
      Width           =   1815
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Text1_KeyPress(KeyAscii As Integer)
    Dim pa As Integer
    If KeyAscii >= 33 Then
        If KeyAscii <= vbKey9 And KeyAscii >= vbKey0 Then
        Else '把KeyAscii设为0就是取消输 入。
            KeyAscii = 0
            MsgBox "请输入数字！"
        End If
    End If
    If KeyAscii = 13 Then
        pa = CInt(Text1.Text)
        If pa = "12345" Then
            MsgBox "密码输入正确！"
        Else
            MsgBox "密码输入错误，正确密码是12345"
        End If
    End If
End Sub