All user created messages must be trapped?

[Björnke von Gierke]

yes you got that right, from the docs:

Unhandled messages:
If a built-in message, a setProp trigger, or a getProp call passes 
through the entire message path without finding a handler, it is 
ignored by the engine (the last stop in the message path).

If a message corresponding to a custom command or a custom function 
call reaches the end of the message path without finding a handler, it 
causes an execution error.


On Dec 08 2005, at 22:42, Steven Fernandez wrote:

> This is probably a really basic transcript questions. I thought I read
> that messages traverse the hierarchy and if not trapped were thrown
> out. In the process of learning Transcript I have run into several
> cases where a message is generated by my scripts but there is no trap
> for that message and I end up getting a run time error. I through
> messages did not have to have a trap or is this something that only
> applies to certain system generated messages (mouseUp) comes to mind.
>
> Thanks
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