property Editor.DropDownAutoWidth as Boolean
Retrieves or sets a value that indicates whether the editor's drop-down window list is automatically computed to fit the entire list.

TypeDescription
Boolean A boolean expression that indicates whether the editor's drop- down list width is automatically computed to fit the entire list.
Use the DropDownAutoWidth property to specify when you let the control computes the drop-down list width, or whenever the width is specified by the DropDownMinWidth property. By default, the DropDownAutoWidth property is True.