Before Method
Returns the next TabStop object to the left of Position.
expression.Before(Position)
expression Required. An expression that returns a TabStops collection.
Position Required Single. A location on the ruler, in points.
Example
This example changes the alignment of the first custom tab stop in the first paragraph in the active document that's less than 2 inches from the left margin.
Dim tsTemp As TabStop
Set tsTemp = ActiveDocument.Paragraphs(1) _
.TabStops.Before(InchesToPoints(2))
tsTemp.Alignment = wdAlignTabCenter