Sleeper: Disable double in combobox

[jphermans]

I've made a form with a combobox that reads strings from a file. But 've seen that some strings exist more then one time. How can I remove them easily in the the application ?

[jphermans]

I've made a form with a combobox that reads strings from a file. But 've seen that some strings exist more then one time. How can I remove them easily in the the application ?

Can someone move this thread to the right list?
I've seen now that i'm in the wrong list;
Sorry.