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嗨,我正在尝试跟踪,当使用以下技术使用 Windows 服务打开特定的 Word 文件但这些方法在 Windows 服务中不起作用时,请帮助我,提供我可以实现的方法。

 1. Dim wordApp As Microsoft.Office.Interop.Word.Application
          wordApp = Marshal.GetActiveObject("Word.Application")

Exception occurred: Operation unavailable (Exception from HRESULT: 0x800401E3 (MK_E_UNAVAILABLE)) 
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 2. Dim p() As Process = Process.GetProcessesByName("winword")     
        For Each a In p
            FileRecord.WriteLine("Name : {0}", a.MainWindowTitle)
            'Above Line Write empty a.MainWindowTitle
        Next
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