You can use the following built-in functions with drop-down list objects.
| Function | Description | 
| bottom [of] | Returns the line number of the last line in the drop-down list. | 
| top [of] | Returns the line number of the first line in the drop-down list (which is always 1). | 
| textual line from | Returns the text that appears on the specified line of the drop-down list. (See textual Object Inquiry Built-in Function in the Reference Guide.) | 
| selected line from | Returns the line number of the line that the user has selected from the drop-down list. | 
| window yposition of | Returns the line number of the first line displayed in the drop-down list. |