modtextbox.bas

入侵检测是近几年发展起来的新型网络安全策略

Attribute VB_Name = "ModTextBox"
'****************************************************************************
'人人为我，我为人人
'枕善居汉化收藏整理
'发布日期：2006/12/23
'描    述：非常专业的防火墙源代码
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'e-mail  ：[e-mail]
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'          如果您有新的好的代码别忘记给枕善居哦!
'****************************************************************************
Option Explicit
Private Declare Function GetWindowLong Lib "user32" Alias "GetWindowLongA" (ByVal hwnd As Long, ByVal nIndex As Long) As Long
Private Declare Function SetWindowLong Lib "user32" Alias "SetWindowLongA" (ByVal hwnd As Long, ByVal nIndex As Long, ByVal dwNewLong As Long) As Long
Public Enum enTextBox
    ES_LEFT = &H0&
    ES_CENTER = &H1&
    ES_RIGHT = &H2&
    ES_MULTILINE = &H4&
    ES_UPPERCASE = &H8&
    ES_LOWERCASE = &H10&
    ES_PASSWORD = &H20&
    ES_AUTOVSCROLL = &H40&
    ES_AUTOHSCROLL = &H80&
    ES_NOHIDESEL = &H100&
    ES_OEMCONVERT = &H400&
    ES_READONLY = &H800&
    ES_WANTRETURN = &H1000&
    ES_NUMBER = &H2000&
End Enum
Private Const GWL_STYLE             As Long = (-16)
Public Sub MakeNumberOnly(TxtBox As TextBox)
    Static lStyle                   As Long
    lStyle = GetWindowLong(TxtBox.hwnd, GWL_STYLE)
    Call SetWindowLong(TxtBox.hwnd, GWL_STYLE, lStyle Or ES_NUMBER)
    TxtBox.Refresh
End Sub