I have open word document using winword.exe in VB.NET and then read that word document working properly word 2007/2013 but problem on word 2016/365 in VB.NET

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I have open word document using winword.exe in vb.net and then read that word document. It has working properly using word 2007/2013 but problem on word 2016/365 in vb.net

What I have tried:

'To open word document

Dim objpro() As Process = Process.GetProcessesByName("WINWORD")
            iPrevProcess = objpro.Length
            objProcess.StartInfo.WindowStyle = ProcessWindowStyle.Maximized
            objProcess.StartInfo.FileName = szDisplayFile

' read that document using
Dim WordGlobal_definst As New Microsoft.Office.Interop.Word.Global
WordGlobal_definst.AciveDocument() get following error

"This command is not available"

Please help me