dynaimally updating UI from worker thread

Oct 17 2006 9:39 AM

             i have three thread and have different data to show but uses the same method for drawing on a diffenet pictures and bitmap....but when i start first thread it...work fine update the UI (beginInvoke) but when i start new thread in between it show .....it stop updating pic1 and start updating pic 2.......
                               so how can i update both of pic on a form........