make sure the initial length of popup-trigger label is long enough to hold the longest popup list item. If, let's say, you have 2 items in the list - RED, BLUE. You initialize the trigger label to "RED" which can only hold at most 3 chars (+ '\0'). If you select "BLUE", there will be error in system level (you won't see that error) which will probably prevent you from the further action.
if you rely on system to update the trigger label, check this thing described above... good luck mguo -- For information on using the Palm Developer Forums, or to unsubscribe, please see http://www.palmos.com/dev/support/forums/
