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ABL Reference
Handle Attributes and Methods Reference : DISABLE( ) method
 

DISABLE( ) method

Disables the radio set button. The selected radio-set button's SCREEN-VALUE is changed to the first enabled radio set button or to the Unknown value (?) if all radio set buttons are disabled.
Return type: LOGICAL
Applies to: RADIO-SET widget

Syntax

DISABLE ( label )
label
A character-string expression that specifies the label of a button in the radio set.
If the operation is successful, the method returns TRUE.