Re: custom VCL exceptions, how?

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#6742

From: Remy Lebeau (TeamB)
Date: Mon, 18 Apr 2005 19:42

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"Francisco M. Marzoa" <fmmarzoa@softronica.org> wrote in message
news:4263d57c@newsgroups.borland.com...

> On Delphi/Kylix the way seems to be easier than in builder:
> just create a class that's a descendant of Exception like:

That is exactly what you do in C++ as well.

> I've try to do the same with Builder C++, but it didn't work.

That is because you are using it wrong.  See below.

> I've created my exception as:
>
> class EDeviceNoAnswer : public Exception {};

That is not correct.  You did not give your class a constructor, and the
Exception class does not have a default constructor available.

    class EDeviceNoAnswer : public Exception
    {
    public:
        __fastcall EDeviceNoAnswer(const AnsiString Msg) : Exception(Msg) {}
    };

    throw EDeviceNoAnswer("No answer sending Get Version command to
Device");


Gambit

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Subject: Re: custom VCL exceptions, how?
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