SearchText
(string) The string of text to search for in the combobox object. You can use the * and ? wildcards to search for substrings.
Re t u r n s
(number) The index (line number) of the combobox item where the search text was found. If no items are found, or an error occurs, -1 is returned. You can use Application.GetLastError to determine whether this action failed, and why.