Re: How to Change the Class id of an ActiveX control?

From: Chris Tacke, eMVP (ctacke_at_spamfree-opennetcf.org)
Date: 05/13/04 

Date: Thu, 13 May 2004 14:33:08 -0400

Make sure you kill the old registry entries, then check the RGS files in
your project as well. 

-- 
Chris Tacke, eMVP
Co-Founder and Advisory Board Member
www.OpenNETCF.org
---
Windows CE Product Manager
Applied Data Systems
www.applieddata.net
"Gordon Scott" <gscott2112@hotmail.com> wrote in message
news:OSU$1WROEHA.3052@TK2MSFTNGP12.phx.gbl...
> Hi all,
>
> I have an application that was written in eVC++ 3.0 for Pocket PC 2002.
> I am now porting this to Pocket PC 2003 and using eCV++ 4.0.
>
> The application uses a custom ActiveX control that gets embedded in Pocket
> IE.
> The application grabs html and jscript files from our server.  All of our
> html files use an
>
> <OBJECT CLSID:.....>   tag to instaniate the controls.
>
> Now that I have rebuilt the ActiveX control in eVC++ 4.0, The objects in
the
> dll have new class ids.
> I want to avoid having separate content servers and would like to modify
the
> dll so that the objects between the
> 2002 and 2003 dll have the same CLASSIDs.
>
> Anyone know how this can be done?
>
>
> I have changed the class ids in the .idl file as below, to the class id
used
> in the old dll
>
> [
>   uuid(2422AA8D-DC0B-449F-930F-B538FF7153CF),
>   helpstring("ImageButton Class")
>  ]
>  coclass ImageButton
>  {
>   [default] interface IImageButton;
>   [default, source] dispinterface _IImageButtonEvents;
>  };
>  [
>   uuid(01EB15F4-3649-4C13-B683-48D7AB23972F),
>   helpstring("_IListBoxEvents Interface")
>  ]
>
> When I recompiled, the header files and the project_i.c file contained the
> correct class ids.  When I register the dll on the device however, I am
> seeing registry entries with the new CLASSIDs instead of the old ones.
What
> am I missing?
>
> Thanks,
> Gordo.
>
>