Re: Newbie: Client calling a server but what CLSID

From:
"Darwin" <darwin@nowhere.com>
Newsgroups:
microsoft.public.vc.atl
Date:
Thu, 21 Feb 2008 15:24:01 +1100
Message-ID:
<#JxDZGEdIHA.5984@TK2MSFTNGP06.phx.gbl>
Thanks for your reply Igor
Why
The idl has:
import "oaidl.idl";
import "ocidl.idl";
 [
  object,
  uuid(B5E4CC5E-A568-4776-BE59-C61ABD07F7D9),
  dual,
  helpstring("IBeepObj Interface"),
  pointer_default(unique)
 ]
 interface IBeepObj : IDispatch
 {
  [id(1), helpstring("method Beep")] HRESULT Beep([in] long lDuration);
 };

[
 uuid(C98F127F-2DFD-41D3-98F5-17AE5F4825FB),
 version(1.0),
 helpstring("BeepServer 1.0 Type Library")
]
library BEEPSERVERLib
{
 importlib("stdole32.tlb");
 importlib("stdole2.tlb");

 [
  uuid(E3829EAD-F1BC-4ECF-B14B-687D3EC2A63D),
  helpstring("BeepObj Class")
 ]
 coclass BeepObj
 {
  [default] interface IBeepObj;
 };
};

From that I have
B5E4CC5E-A568-4776-BE59-C61ABD07F7D9
C98F127F-2DFD-41D3-98F5-17AE5F4825FB
E3829EAD-F1BC-4ECF-B14B-687D3EC2A63D
3 IDs and I thought you only get 2 (CLSID and IID). Which is which?

Assuming the last ID is the CLSID is it simply:
const CLSID CLSID_BeepObj =
{0xE3829EAD,0xF1BC,0x4ECF,{0x68,0x7D,0x3E,0xC2,0xA6,0x3D}};

Thanks for your help.

"Igor Tandetnik" <itandetnik@mvps.org> wrote in message
news:%23h0bkzDdIHA.3940@TK2MSFTNGP05.phx.gbl...

"Darwin" <darwin@nowhere.com> wrote in message
news:OOgD$SDdIHA.5900@TK2MSFTNGP02.phx.gbl

I am doing a tutorial on COM. I have created a server object
(beepServer) with ATL. I want to call that object from a client. My
question is where do I get the CLSID and the IID from?


Look at the IDL file in your server project, and the .h file generated
from it.

I think that when it compiled on my machine it would have generated a
different CLSID to what the author's had, but the format is completely
different.


It's just a different way to write the same bits.
--
With best wishes,
   Igor Tandetnik

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