The Exception object inherits from the Throwable object and is the base class for user-defined or "checked" exceptions. A function or user-defined event must declare each checked exception it throws, and a caller to a function or event that throws a checked exception must either catch the exception or throw the exception itself.
Unlike RuntimeError objects, Exception objects do not have built-in properties that provide information about the location where the error occurred.
The CORBAUserException system object inherits from Exception. This object maps to the CORBA_USER_EXCEPTION object that can be thrown from CORBA applications when user-defined exceptions have not been handled. Unlike the CORBASystemException object and its descendants, the CORBAUserException object is a checked exception and must be declared and caught like other checked exceptions.
Exception property |
Datatype |
Description |
---|---|---|
ClassDefinition |
PowerObject |
An object of type PowerObject containing information about the class definition of the object or control |
Text |
String |
Contains the text of the error message |
Exception event |
Occurs |
---|---|
Immediately before the exception is thrown |
|
Immediately after the exception is thrown |
Exception function |
Datatype returned |
Description |
---|---|---|
String |
Returns the name assigned to the object. |
|
Integer |
Creates a reference to a context-specific instance of the specified service. |
|
String |
Returns the error message from objects of type Throwable. |
|
PowerObject |
Returns a reference to the name of the parent object. |
|
Boolean |
Adds an event to the end of the message queue for the object. |
|
|
Sets an error message for an object of type Throwable. |
|
Integer |
Triggers a specific event in the object and executes the script for the event. |
|
Object |
Returns the type of the object. |