>>>I think I'm having some other issues with the comboboxes. Sometimes when I quickly try to type some sequence, it looks like the combobox ignores it and just jumps to another item.
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>>maybe it is because the mouse pointer is placed on the dropdown list while you are typing. In this case VFP is fooled. It have to deal with two different selections in the same time.
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>It may very well be the case. The question is: should I try to fix this behavior or leave it like this. So far, the users didn't complain.

We just educate users what is going on, if they meet such problem.