Numeric (ScreenField property)
Set or return the numeric attribute for screenfield (ScreenField class)
The Numeric property sets or returns the Numeric attribute for a ScreenField. If a field is Numeric, only numeric values may be entered in the field. The Numeric attribute is initially set for a field by the AddField method.
%currentBoolean = sfield:Numeric sfield:Numeric = newBoolean
|%currentBoolean||A Boolean enumeration to get the current value of the Numeric attribute applicable to sfield. Valid values are True and False (default).|
|sfield||A reference to an instance of a ScreenField object.|
|newBoolean||A Boolean enumeration to set the new value for the Numeric attribute applicable to sfield. Valid values are True and False (default)|
- Regardless of the value of a field's Numeric attribute, the programmer can assign any type of value to the field. Enforcement of the Numeric attribute takes place only when a user enters data in the field.
- Some terminal emulators do not enforce numeric field restrictions, so the programmer should be aware that the value of a numeric field must still be checked for validity. A value is numeric only if it is composed of the characters
9, plus (
+), minus (
-), or period (