>>>My form have quite a number of controls.
>>>Your idea should work fine if I have "exclude all other controls, get the listbox populated with values only if focus is about to be set to 1 or 2 controls" scenario.
>>>However, in my case, it is exactly the reverse scenario, I want to "do nothing" only for 1 or 2 controls and get the listbox populated with values for the rest of controls.
>>>
>>>If I were to do it as you have suggested, that means I will have to add code to GetFocus event of almost all controls in the form and I think I can easily forget about adding the same code, if in the future I need to add new control to the form.
>>
>>Don't remember, can you bind the GotFocus event?
>
>Hi,
>I couldn't figure out how can a bind of GotFocus event help in this case, care to elaborate?

I was just working towards Borislav's idea about GotFocus. But I somehow missed your requirements, can you explain again what you're up to?