Re: idl and SAFEARRAY

From:
"Alexander Nickolov" <agnickolov@mvps.org>
Newsgroups:
microsoft.public.vc.atl
Date:
Wed, 6 Sep 2006 13:37:21 -0700
Message-ID:
<#2TZBRf0GHA.4816@TK2MSFTNGP06.phx.gbl>
First, make sure you are not using attributed ATL. The code is
known to be buggy. Then, can you provide a call stack trace?

--
=====================================
Alexander Nickolov
Microsoft MVP [VC], MCSD
email: agnickolov@mvps.org
MVP VC FAQ: http://www.mvps.org/vcfaq
=====================================

"HasEx" <HasEx@newsgroups.nospam> wrote in message
news:u1m9GAf0GHA.4476@TK2MSFTNGP05.phx.gbl...

I mean crashes, (C++ crash with a dump dialog, meaning application,
in my case Excel goes down, crashes, unhandled exception)
That should never happen, and it is not in my code! because it doesnot
even
get to my code. In my function I just have return S_OK any way!
So this is a bug most probably by MS VBA? Any help please?

Has

"Alexander Nickolov" <agnickolov@mvps.org> wrote in message
news:%23Ha6qDe0GHA.1292@TK2MSFTNGP03.phx.gbl...

Let's step back. What do you mean by saying it crashes?
If you mean it fails with an error you fail to handle in VB,
that's not a crash - that's a failure. In that case what is the
error VB reports (e.g. after you use on error handling in
your code)?

--
=====================================
Alexander Nickolov
Microsoft MVP [VC], MCSD
email: agnickolov@mvps.org
MVP VC FAQ: http://www.mvps.org/vcfaq
=====================================

"HasEx" <HasEx@newsgroups.nospam> wrote in message
news:O5lhnqT0GHA.1536@TK2MSFTNGP02.phx.gbl...

Thank you for the reply. I did try it, still crashes. But the following
works for no reason.

Dim a As New idlcrashLib.testobject
Sub test(z() As Double)
Dim d() As Double
d = z
a.myarray = d
End Sub
Sub star_testing()
Dim y(2) As Double
test y
End Sub

Any more ideas please?

Has
"Alexander Nickolov" <agnickolov@mvps.org> wrote in message
news:etOPWST0GHA.3656@TK2MSFTNGP04.phx.gbl...

Not sure about VBA, but in VB you need to declare it as
a redim-mable array and ReDim it first:

dim y() as Double
redim y(2)

--
=====================================
Alexander Nickolov
Microsoft MVP [VC], MCSD
email: agnickolov@mvps.org
MVP VC FAQ: http://www.mvps.org/vcfaq
=====================================

"HasEx" <HasEx@newsgroups.nospam> wrote in message
news:eOYKWpQ0GHA.1536@TK2MSFTNGP02.phx.gbl...

Please tell me what is going on with the following, a possible MS bug?
Many thanks.
Has

I have the following interface impld as ATL simple object (dll)
No code of mine is added!!!
interface Itestobject : IDispatch{[propput,helpstring("property
myarray")]HRESULTmyarray([in] SAFEARRAY(double)* myarray);};

the following code will crash from VBA

Dim a As New idlcrashLib.testobject
Sub test(z() As Double)
a.myarray = z
End Sub
Sub star_testing()
Dim y(2) As Double
test y
End Sub

If I use a method instead of "put property", so VBA can be written
as (no "=" anymore)

this works fine.

Dim a As New idlcrashLib.testobject
Sub test(z() As Double)
a.myarray z
End Sub
Sub star_testing()
Dim y(2) As Double
test y
End Sub

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