Private Sub Form_Activate()
On Error Resume Next
Dim statingaddress '定义开始地址statingaddress
Me.Show
Combo1.Clear
toolbar.Refresh
Open "url.txt" For Input As #2
Input #2, statingaddress
Close #2
If Len(statingaddress) > 0 Then
Combo1.Text = statingaddress
Combo1.AddItem statingaddress
WebBrowser1.Navigate statingaddress
End If
End Sub

有谁能告诉我每行代码的意思
谢谢!