Sets or returns an int that represents the horizontal distance of the left margin from the left edge of the page for this section. One twip = (1/20 pt) or (1/1440 in)
public int LeftMargin{ get; set; }
Public Property LeftMargin() As Integer
MS Word equivalent: File menu > Page Setup... > Margins tab > Left: -- (Make sure Apply to: This section is selected)
//--- Return LeftMargin
int leftMargin = oSection.LeftMargin;
//--- Set LeftMargin to 1 inch
oSection.LeftMargin = 1440;
'--- Return LeftMargin
Dim leftMargin As Integer = oSection.LeftMargin
'--- Set LeftMargin to 1 inch
oSection.LeftMargin = 1440