用VB做一个QQ2007的登录器
 Private Declare Function FindWindow Lib "user32" Alias "FindWindowA" (ByVal lpClassName As String, ByVal lpWindowName As String) As Long
  Private Declare Function FindWindowEx Lib "user32" Alias "FindWindowExA" (ByVal hWnd1 As Long, ByVal hWnd2 As Long, ByVal lpsz1 As String, ByVal lpsz2 As String) As Long
  Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long
  Private Declare Function ShellExecute Lib "shell32.dll" Alias "ShellExecuteA" (ByVal hwnd As Long, ByVal lpOperation As String, ByVal lpFile As String, ByVal lpParameters As String, ByVal lpDirectory As String, ByVal nShowCmd As Long) As Long
   
  Option Explicit
  Private Const WM_SETTEXT = &HC
  Private Const BM_CLICK = &HF5
  Dim password(100) As Long
  Public a As String, b As Long
  Private Sub Command1_Click()
  
  ShellExecute Me.hwnd, "open", Text1.Text, vbNullString, vbNullString, vbNormalFocus
  Dim QQHwnd     As Long, QHwnd       As Long, PHwnd       As Long, RHwnd       As Long
  Do While RHwnd = 0
    QQHwnd = FindWindow("#32770", vbNullString)
    QHwnd = FindWindowEx(QQHwnd, 0, "ComboBox", vbNullString)
    PHwnd = FindWindowEx(QQHwnd, 0, "Edit", vbNullString)
    RHwnd = FindWindowEx(QQHwnd, 0, "Button", "登录")
    DoEvents
  Loop
  a = Combo1.List(Combo1.ListIndex)
  b = password(Combo1.ListIndex)
  SendMessage QHwnd, WM_SETTEXT, 0, ByVal a 'QQ号码.
  SendMessage PHwnd, WM_SETTEXT, 0, ByVal b  '为密码.
  SendMessage RHwnd, BM_CLICK, 0, 0         '点击登录按钮
 
  End
就是写不进去密码，大侠们帮忙看一下，谢谢，急！急！急！