expression.BackgroundOpen
expression Required. An expression that returns one of the objects in the Applies To list.
Remarks
While Microsoft Word is opening a large Web document in the background, users can continue to type and choose commands in another document. However, until the Web document is fully opened, Word Visual Basic for Applications functions are disabled for the document being opened.
Example
This example toggles between opening large Web documents in the background and not opening them in the background.
Sub BackOpen()
If Options.BackgroundOpen = False Then
Options.BackgroundOpen = True
Else
Options.BackgroundOpen = False
End If
End Sub