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.

Syntax

%currentBoolean = sfield:Numeric sfield:Numeric = newBoolean

Syntax terms

%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)

Usage notes

• 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 0 through 9, plus (+), minus (-), or period (.).

See also

Screen class ScreenField class	List of Screen methods List of ScreenField methods List of Screen API methods	Screen methods syntax ScreenField methods syntax
Notation conventions for methods