请问以下的vb6代码,用delphi该怎么写俄?
对那个AddressOf 晕晕的ret = RCA_submitDurableImageOrderBstr(iod, xmlImageOrder, AddressOf orderStatusCallback)Public Function orderStatusCallback(ByVal orderStatus As String) As Long
    CurrentOrderStatus = orderStatus
    MainForm.LargeText.Text = orderStatus
    sFlag = "1"
End Function