Selection.NextSubdocument Method (Word)
Moves the selection to the next subdocument.
Syntax
expression .NextSubdocument
expression Required. A variable that represents a Selection object.
Remarks
If there isn't another subdocument, an error occurs.
Example
This example switches the active document to master document view and selects the first subdocument.
If ActiveDocument.Subdocuments.Count >= 1 Then
ActiveDocument.ActiveWindow.View.Type = wdMasterView
Selection.HomeKey unit:=wdStory, Extend:=wdMove
Selection.NextSubdocument
End If