vb编程问题

Private Sub Command1_Click()
WB1.navigate "www.126.com" 连接到www.126.com网站
End Sub

Private Sub WB1_DocumentComplete(ByVal pDisp As Object, URL As Variant)
Dim vDoc, vTag
Dim I As Integer
Set vDoc = WB1.document
List1.Clear
For I = 0 To vDoc.All.length - 1
If UCase(vDoc.All(I).tagName) = "INPUT" Then
Set vTag = vDoc.All(I)
If vTag.Type = "text" Or vTag.Type = "password" Then
List1.AddItem vTag.Name
Select Case vTag.Name
Case "user" 如果是用户名的那个框
vTag.Value = "lirong" 这个是用户名
Case "pass"
vTag.Value = "320830" 这个是密码
End Select
ElseIf vTag.Type = "submit" Then 这个是提交按钮
vTag.Click
End If
End If
Next I

End Sub