a232dd49_ced_Process_Control___Open_APC__Description
[Plug-In] Listbox [Remarks] sourcecode available, OAPC Dual License [Description] 
Displays a list of strings where one can be selected; The elements of the list can be set dynamically using a character input, the index number of a selected input is returned at two separate outputs, one for a single click and one for a double click. An additional digital input allowes it to clear the list box elements.
OpenAPC - Open Source Advanced Process Control - Open APC
Description