If DropDownStyle is DropDown, the shell autocompletion mode is enabled. If it is DropDownList, the shell autocompletion is disabled, ie. no edit field is provided. The default value is DropDown. ComboBoxStyle.Simple is not supported and ignored.

public ComboBoxStyle DropDownStyle { get; set; }

Public Property DropDownStyle As ComboBoxStyle

public:
property ComboBoxStyle DropDownStyle {
	ComboBoxStyle get ();
	void set (ComboBoxStyle value);
}