[DUG] *sigh* ActiveX wrapper

[Todd Martin]

Are you reading a pointer to the value rather than the value itself?

----- Original Message ----- 
From: "Phil Middlemiss" <phil at tumonz.co.nz>
To: "NZ Borland Developers Group - Delphi List" <delphi at ns3.123.co.nz>
Sent: Tuesday, October 10, 2006 10:53 AM
Subject: [DUG] *sigh* ActiveX wrapper


> Hi all,
>
> I have a component which I have wrapped up as an ActiveX object. One of
> the events on the component has 4 parameters of type Single. For some
> reason the values that are surfacing when the ActiveX component is used,
> are not the same as the values that are being passed on in that event.
>
> I put a message in the TActiveXWrapper descendant that receives the
> Delphi Control's event and passes it on to the ActiveX dispinterface
> (generated automatigically by the type library) and the value is
> correctly received in the wrapper - it must be somewhere in the COM
> handling of the parameters that they get messed up. The final values are
> not even jumbled - they are just completely different values.
>
> Any ideas?
>
> Cheers,
> Phil.
>


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