On 11/01/2025 07:53, Adriaan van Os via fpc-pascal wrote:
Am 10.01.2025 um 15:43 schrieb Adriaan van Os via fpc-pascal:
But now I install a system.ErrorProc and run the same program. It
emits, instead of the EBusError, Runtime Error 214.
This puzzles me.
This is as designed, because the ErrorProc is what is used by the
SysUtils unit to convert runtime errors to exceptions. If you want to
implement your own handling, then store the original value of
ErrorProc, assign your own handler, do your own handling and at the
end call the saved ErrorProc.
I don't want to handle the error, I want a meaningful error. And Runtime
Error 214 "Collection overflow" is nonsense.
The sole purpose of overriding System.ErrorProc is to handle errors by
yourself. If you don't want to handle a particular error, do as Sven
said (call the original System.ErrorProc), and then whatever custom
error handler that was there before will do its thing. In this case: the
error handler that was installed by the SysUtils unit, which will raise
an EBusError exception (which seems to be what you want).
Jonas
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