G_wa = new Microsoft.Office.Interop.Word.Application();
            G_wa.Visible = false;
            object G_FilePath = txtOpenPath.Text;
            Document P_wd = G_wa.Documents.Open(
                ref G_FilePath, ref G_missing, ref G_missing, ref G_missing, ref G_missing,
                ref G_missing, ref G_missing, ref G_missing, ref G_missing, ref G_missing,
                ref G_missing, ref G_missing, ref G_missing, ref G_missing, ref G_missing,
                ref G_missing);