How to simulate a Mouse Click on a row in NSTableView

FROM : DongRuchan
DATE : Fri Jan 11 03:19:00 2008

hi,
I have a problem :how to simulate a Mouse Click on a row in NSTableView

the specific condition is that
  there are two tables in a window, we can image it is a phonebook.
in the window, the left table is the groupList, and the right is the userList.

I use a example to show my question
          in the groupList I have several group such as
                      frends
                      family
                      teacher 
and so on.
        we click frends row,we can get it's members  in the userList .

How to  simulate "click frends row" ,and the userList table to show freds's members?

hope to someone to help me!   

best regards, 

Ruby

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