How to read a content of active window,how to read a value of column?

[shrutim]

Hello,

I want get the items of a table. The table is in a window of an desktop application. I have upload a image of the table.

I want read the every  values of column "error" one by one .I have used ListBox and ListView methods and I get the number of items but I can't get the value of column.

and from FINDER TOOL i am not getting any changes in class or other things  except mouse coordinates 

Can you help me? Thank you.