Increment the handled count in MultiColumnList on handling a semantic event.
Increment the handled count in MultiColumnList on handling a semantic event.

ruleless/CEGUI,OpenTechEngine/CEGUI,OpenTechEngine/CEGUI,ruleless/CEGUI,OpenTechEngine/CEGUI,OpenTechEngine/CEGUI,ruleless/CEGUI,ruleless/CEGUI