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ABL Reference
Handle Attributes and Methods Reference : BLANK attribute
 

BLANK attribute

Suppresses the display of sensitive data in a field.
Data type: LOGICAL
Access: Readable/Writeable
Applies to: FILL-IN widget, TEXT widget
If the BLANK attribute is TRUE, any current value or characters typed in the fill-in are not echoed to the screen. The default value for this attribute is FALSE.