subclass.cls

漂亮的VB版本的界面,界面可以进行扩展并且所需要的代码又非常的少。是一个优秀的原码你可以下载学习之用。

VERSION 1.0 CLASS
BEGIN
  MultiUse = -1  'True
  Persistable = 0  'NotPersistable
  DataBindingBehavior = 0  'vbNone
  DataSourceBehavior  = 0  'vbNone
  MTSTransactionMode  = 0  'NotAnMTSObject
END
Attribute VB_Name = "GSubclass"
Attribute VB_GlobalNameSpace = True
Attribute VB_Creatable = True
Attribute VB_PredeclaredId = False
Attribute VB_Exposed = False
' ==================================================================================================
' 源程序由 http://vbaccelerator.com 提供(并有DLL库文件)。但由于有一些BUG，导致程序无法正常运行。
'
' 所以，我(天生三排牙，Mail：[e-mail])将它重新整理了一下，并写成了新的DLL库。
'
' 但是，BUG在所难免，所以，请使用的各位小虾、大侠们多提提意见，我也会在有空的时候再修改这个程序的。
'
' 当然，源程序以及DLL库都是免费的，你可以在任何地方使用。但请适当保留原作者信息，以示对原作者的尊重。
'
' 如果你对该程序进行了修改，增加了新的功能，希望能Mail一份给我，让我也分享你的喜悦。谢谢！
' ==================================================================================================

Option Explicit
'===================================================
'
'===================================================
Sub AttachMessage(iwp As ISubclass, ByVal hwnd As Long, _
                  ByVal iMsg As Long)
Attribute AttachMessage.VB_Description = "Start subclassing for a particular message."
    MSubclass.AttachMessage iwp, hwnd, iMsg
End Sub
'===================================================
'
'===================================================
Sub DetachMessage(iwp As ISubclass, ByVal hwnd As Long, _
                  ByVal iMsg As Long)
Attribute DetachMessage.VB_Description = "Stop subclassing for a particular message."
    MSubclass.DetachMessage iwp, hwnd, iMsg
End Sub
'===================================================
'
'===================================================
Public Property Get CurrentMessage() As Long
Attribute CurrentMessage.VB_Description = "Returns the message currently being worked on.  Only valid in the MsgResponse and WindowProc items of your implemented interface."
   CurrentMessage = MSubclass.CurrentMessage
End Property
'===================================================
'
'===================================================
Public Function CallOldWindowProc( _
      ByVal hwnd As Long, _
      ByVal iMsg As Long, _
      ByVal wParam As Long, _
      ByVal lParam As Long _
   ) As Long
Attribute CallOldWindowProc.VB_Description = "Calls the window procedure for this handle which was installed before you added the subclass."
   CallOldWindowProc = MSubclass.CallOldWindowProc(hwnd, iMsg, wParam, lParam)
End Function