ThreadEndException
From Xojo Documentation
Class (inherits from RuntimeException)
A ThreadEndException is raised when a Thread is closing. Usually you do not see the ThreadEndException unless you use a "catch-all" Exception statement.
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Notes
| NOTE: Whenever you inadvertently catch an ThreadEndException, you MUST re-raise it. Failing to do so will mess up the runtime environment and lead to unpredictable problems. See Exception statement for more information about its proper use. |
An Exception block can catch a ThreadEndException when you use a catch-all exception statement, i.e. "Exception err as RuntimeException" instead of giving a more specific runtime exception class. In such a case, you MUST re-raise the exception to avoid messing up the runtime environment and create some unpredictable problems.
Exception err As RuntimeException // Will catch any exception without discrimination
If err IsA EndException Or err IsA ThreadEndException Then
Raise err // Re-raise the exception
End If
//Continue your code here
If err IsA EndException Or err IsA ThreadEndException Then
Raise err // Re-raise the exception
End If
//Continue your code here
See Also
RuntimeException class; Function, Raise statements; Nil datatype; Exception, Try statements.