Sets or returns an int representing the default tab width for this Document. The value that is returned is in twips. One twip = (1/20 pt) or ( 1/1440 in).
public int DefaultTabWidth{ get; set; }
Public Property DefaultTabWidth() As Integer
MS Word equivalent: Format menu > Tabs... > Default tab stops
//--- Return DefaultTabWidth
int defaultTabWidth = oDocument.DefaultTabWidth;
//--- Set DefaultTabWidth to 1 inch
oDocument.DefaultTabWidth = 1440;
'--- Return DefaultTabWidth
Dim defaultTabWidth As Integer = oDocument.DefaultTabWidth
'--- Set DefaultTabWidth to 1 inch
oDocument.DefaultTabWidth = 1440