Data that is passed to the begin callback of the form validator, see XmValidator.on and XmValidatorCallbacks.
begin
A list of all items to be validated.
Whether the validation process is to be silent (=no change to the visible error messages).
The type of the validation, either main or sub. Each main validation consists of multiple sub validations.
main
sub
Data that is passed to the
begincallback of the form validator, see XmValidator.on and XmValidatorCallbacks.