| Name | Value | Description | |||
| Simple | 0 | The extended list( tree ) control is displayed at all times. The current selection in the dropdown window is displayed in the edit control. | |||
| DropDown | 1 | Similar to Simple style, except that the dropdown window control is not displayed unless the user selects the drop down button next to the edit control. | |||
| DropDownList | 2 | Similar to DropDown style, except that the edit control is replaced by a static-text item that displays the current selection in the dropdown window. |