How to add the paragraph indent level value to the link list

Question

 please help me to add the paragraph indent level value to the link list using c#. the paragraph indent value is different, i want to store all the value to the link list. please help to do this early as possible.
 Backup service coverage, 193–4, 196  // indent value is 35
BAL (BCCH Allocation List), 114, 213
Balancing, 23, 25, 43, 115, 156, 169, 173, 175, 184, 186–91, 217
techniques, 188, 250, 255
differential, 233–4, 236, 243, 248, 251 // indent value is 46
procedure, 76, 177–8  // indent value is 56
requests, 171–2
druf23trfut24ift4ieft6
Band, 11–13, 99, 191–3, 213
Bandwidth, 8, 13, 81, 94, 97–8, 100, 181–2
Base station controller. See BSC
BSC (Base Station Controller), 59, 74, 77, 79, 99–100, 141, 211–12
BSIC (Base

Answer 1

We are opening the saved workbook which is an existing workbook.

The user will be going to save the excelworkbook and open the same workbook

so, when the saved workbook is reopened at that time we are using this workbook open event to perform respected operations

Answer 2

https://stackoverflow.com/questions/24692802/excel-vsto-workbook-open-event-not-firing