Programmer's Guide > Interfaces > W3C EventException exception > EventExceptionCode enumeration
  
EventExceptionCode enumeration
An integer indicating the type of error generated.
The EventExceptionCode enumeration has the following constants of type unsigned short.
UNSPECIFIED_EVENT_TYPE_ERR = 0
If the Event's type was not specified by initializing the event before the method was called. Specification of the Event's type as null or an empty string will also trigger this exception.