Currently the Listbox/Multicolumn Listbox can only handle Strings which is not always handy in LabVIEW, we need to convert our numeric values to string, manage the decimals, manage the keyboard to validate the format from user entry...
It would be nice to have an option on the control as we select scalar/array for the selection method, to select string/numeric data content, and then in numeric we could select the representation that we need, I32/U32/Float...
When a cell is editable, it would only accept numeric content, without extra programming, as we would be typing in a Numeric Control.
When the option is chosen, the property node would offer something like an orange "ItemValues" instead of pink "ItemNames".
It would look nicer than a 2D array of numerics which can't have row/column headers. Every cells have the same properties in an array, it's not possible to format each cell separatly. In a multicolumn listbox we can set a background color on a specific cell and so on...
