modlvtimer.bas

超市销售管理系统 4) 文档里面有完整的需求说明书

Attribute VB_Name = "modLvTimer"
'超市销售管理系统
'程序开发：lc_mtt
'CSDN博客：http://blog.csdn.net/lc_mtt/
'个人主页：http://www.3lsoft.com
'邮箱：[e-mail]
'注：此代码禁止用于商业用途。有修改者发我一份，谢谢！
'---------------- 开源世界，你我更进步 ----------------' **********************************************************************

Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (pDest As Any, pSource As Any, ByVal ByteLen As Long)
Private Declare Function GetProp Lib "user32" Alias "GetPropA" (ByVal hwnd As Long, ByVal lpString As String) As Long

Public Function lv_TimerCallBack(ByVal hwnd As Long, ByVal Message As Long, ByVal wParam As Long, ByVal lParam As Long) As Long
    Dim tgtButton As XPButton
    CopyMemory tgtButton, GetProp(hwnd, "lv_ClassID"), &H4
    Call tgtButton.TimerUpdate(GetProp(hwnd, "lv_TimerID"))
    CopyMemory tgtButton, 0&, &H4
End Function