Mnemonics

'+N' & '-N' Control Drop/List Box Write Error

	Behaviour or GUI Display
Format	Do not return Error 11: '+N' Return Error 11: '-N'
Description	Use '-N' to generate an Error 11 on a DROP_BOX WRITE " " or LIST_BOX WRITE " " if no such entry exists. '+N' tells the system to clear any selected item when writing a null string. These mnemonics have no effect on multi-select list boxes.