autoDrop
Determines if the drop-down list drops automatically when the combobox gets focus.
Property of
ComboBox
Description
Set autoDrop to true to make the drop-down list portion of a combobox drop automatically when the combobox gets focus. Whenever the combobox loses focus, its drop-down list is always closed, no matter how it was opened.
autoDrop has no effect when the style of the combobox is Simple (0).