set Format
Sets a custom DecimalFormat for the numbers displayed on the selected widget.
The default for sliders is "#.##" (decimal number with two decimal places)
The default for textboxes is "0" + up to 340 decimal places (a decimal number with a sliding scale of shown decimal places, up to 340. This prevents Scientific notation from appearing)
Return
this validation, passed through
Author
fzzyhmstrs
Since
0.7.2