[VBScript]
ReadOnly property ISYSDocument.LineCount as long

[C#]
long IISYSDocument.LineCount {get;}

[ColdFusion/Java]
long ISYSDocument.LineCount() throws ComException;

<%
  Set results = ISYSSearch.Execute

  Set document = results.Item(1)

  '  Display 3 lines after the first hit
  firstHit  = document.GetLineWithHitAfter(0)
  lineCount = document.LineCount  

  for i = firstHit to firstHit + 3
    if i < lineCount then
      Response.Write document.Line(i, Plain)
    end  if  
  next  
%>