close_all_class_box — This operator is inoperable. It had the following function:
Destroy all classifiers.
close_all_class_box is obsolete, inoperable, and is only provided
for reasons of backward compatibility. New applications should not use
close_all_class_box, the operator will be removed in future
close_all_class_box( : : : )
close_all_class_box exists solely for the purpose of
implementing the “reset program” functionality in HDevelop.
close_all_class_box must not be used in any
If it is possible to close the classifiers the operator
close_all_class_box returns the value 2 (H_MSG_TRUE). Otherwise an
exception is raised.